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good evening and welcome to nasa's

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kennedy space center in florida for the

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spacex crs 11 post launch news

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conference we wouldn't be here if it

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weren't a tremendously successful day

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and we're all very pleased to be here

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and i'm happy to be joined by to my left

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mr ven fenn

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manager of the international space

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station transportation integration

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office at johnson space center in

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houston

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hans kunigsman spacex vice president of

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build and flight reliability and the

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chief engineer on console for today's

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successful launch gentlemen thank you

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for joining me thank you michael and

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we'll start off with uh some opening

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statements great uh it's great to be

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here thank you very much um and

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congratulations to our spacex colleagues

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another uh wonderful launch we're very

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much looking forward to having a dragon

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come visit

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come back to visit the space station

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in this case especially so because this

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dragon uh was one that had come to us

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previously back in 2014 on um crs4

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let's see it's been the space station is

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in excellent shape ready to receive

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dragon it's been a busy couple of days

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and a busy weekend

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yesterday the crew members for 49 s did

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safely land in kazakhstan this morning

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the on-orbit crew

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packed finished packing cygnus and

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closed the hatch

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tomorrow they'll unbirth cygnus and

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that'll clear the way for dragon to come

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back to space station on monday at 10

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a.m eastern

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thank you okay thank you hans i'm super

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happy as always after a good launch

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and i do want to really thank nasa for

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the opportunity to bring up cargo and uh

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and and and do what we uh what we love

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to do launching rockets and deploying

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spacecraft and um

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also like to uh like the opportunity to

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thank the team falcon19 did super great

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today

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and uh pat team work worked awesome

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dragon team is uh it's very busy right

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now i'm pretty sure they're doing

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they're doing excellent and then 41st

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spaceping and the faa that

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support us uh you know in a very great

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way today too

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so and and in particular the person i

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would like to thank is my micheline this

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was not uh

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not here at this press conference but

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who was at the other press conference

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for opening the skies and clearing the

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the clouds and

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making making it possible to launch

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through the florida afternoon summer

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afternoon

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dragon is on orbit the solar arrays are

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deployed

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they're working working well they're you

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know pointing to the sun and producing

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power

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um we will we will open the guidance and

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control door um

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a little bit later today and then

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as

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you already heard um dragon is going to

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birth

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with the station on monday morning uh

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yeah

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10 10 a.m exactly

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and the falcon 9 second stage has been

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deorbited it it landed

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in the ocean south

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west of australia

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and from what i can tell the mission was

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excellent and a great success and had

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no no hiccups

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the countdown was very smooth very quiet

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i had the opportunity to be back in my

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chief engineer role today

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and i really enjoyed it enjoyed it

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greatly and it was great fun maybe i do

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this again

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so

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we agree thank you hans

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okay at this time we'll take questions

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and

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for those of you who are following on

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social media please use the hashtag

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asknasa emily from our nasa social media

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group is here to

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facilitate getting your questions out if

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you're in the room please raise your

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hand if you have a question

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wait for the radio microphone state your

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name and affiliation

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and to whom you're addressing your

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question and we'll go ahead and take

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questions uh chris here in the front row

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uh chris gebhardt with nasa space flight

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um with one for both of you um for hans

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i'm wondering if you can talk a little

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bit about recovery operations for the

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booster i understand this is the first

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time you're going to start streamlining

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some of those processes for recovering

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the booster once it's landed

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and for the nasa question um can you

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talk a little bit about cygnus um being

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unbirthed about a month ahead of when it

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okay so i mean i think thanks for that

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question because i i

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should also mention the first stage

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landed really really well on the landing

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zone run um

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from what i can tell was a

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an excellent centered landing and uh

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and um we're gonna you know take the

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next couple days to uh

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to save it break it over and then bring

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it in the hangar and

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inspect it

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as you pointed out um we're gonna

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streamline it so it's gonna be um

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uh less inspections probably than the

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first one

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and um and then we got to decide what we

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do with that uh with this particular

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booster

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okay oh go ahead sorry with respect to

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cygnus um yeah it's just demonstrating

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its operational flexibility so a few

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months ago it came up and delivered

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about 3000 kilograms worth of

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cargo resupply and research and um based

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on its um it's we got everything out we

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got everything back in it's completely

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packed it's full of disposal as well as

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a few other experiments so because it's

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full we decided since we had this one

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day opportunity after the launch scrub

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on the first to go ahead and unbirth

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cygnus now it's got two experiments it's

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doing after

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post unbirth

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so it's going to stick around in orbit

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for about a week so it's going to do the

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sapphire experiment as well as deploy

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some nanoracks external deployers

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external payloads

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uh ken

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hi ken cramer from universe today in the

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northeast astronomy forum for um

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for hanson for nasa for hunts um

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can you talk about um any improvements

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that you have made you've learned

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lessons from from landing we talked

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about that a little bit before that you

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learned a couple i wonder if you have

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applied any

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um

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to this to this boot to this booster

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like the grid fins changing or the paint

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on the side or anything else to the

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engine that you can tell about about any

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engines and um for the for for nasa the

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how long um crew supplies we have now uh

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with this mission for the astronauts uh

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on the iss

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so um on this one the there's a visible

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change on the landing zone we um paint

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the deck

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with something that is more conductive

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that's the one you can see when you

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watch the camera on the first stage

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um other than that um we we fine-tune

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um minor parts and components

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um not not overall a whole lot of

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changes

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nothing good

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okay and with respect to uh consumables

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on board we're in really good shape on

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board right now it's uh greater than six

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months i think in all categories there

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is some food going up and i get those

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exact numbers for you afterwards

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but but really the utility of

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spacex and the spacex mission is science

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so we have literally tons of science

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going up on this so it's been focused

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more towards utilization and research

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but but we're in good shape as far as

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consumables on board

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okay we'll take a question here then

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then we'll go to the phone for a

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question and then uh emily has a couple

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of social media questions we'll take hi

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stephen clark from space flight now a

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couple of questions uh one for each of

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you i guess for hans

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with the two-day weather delay um

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does that impact your launch date

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mid-june at all

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for bulgaria set and for um

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vin

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can you talk a little bit about

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your status on crs-2 the crs-2 providers

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have you turned on any missions uh or

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ordered any missions uh

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from any of the three providers that you

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have under crs-2 yet and if so which

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ones

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thanks so with respect to the bulgaria

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then the next launch basically um it's

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still mid mid-june we gotta we gotta

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evaluate um if if anything moves um but

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that's currently that's not um

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not planned for

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um

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i guess that was all the questions you

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had from me right okay

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yeah let's see uh with respect to crs2

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yeah all three of our vendors are in

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very good shape

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they've all completed their first three

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iss integration reviews that was a

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kickoff

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that was requirements review and then

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preliminary design type review and all

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of them making progress towards the

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dates

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that they need to for the iss

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integration portion

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we have turned on one mission so far in

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crs2 and that's an orbital atk mission

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and that was just due to mission needs

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based on when their crs1

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when we look at the overall fleet of

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resupply vehicles out in that time frame

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and what capabilities they are there are

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and where crs1 timing ends up and we've

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okay let's go to the telephone and take

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a call from james dean from florida

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today james

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all right thanks so much i had a couple

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questions for hans first on flight rate

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you mentioned before

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the launch how that's improving i wonder

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if you could comment on

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you know what is enabling you to to

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sustain this this pace you've achieved

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so far

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this year and um

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i i think if schedules were to hold you

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have a particularly busy stretch coming

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up with launches from

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both coasts is that a particular

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challenge for you

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sorry i'm not sure i captured the

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question totally

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yeah

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james can you please ask that again uh

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your audio is just a little bit uh low

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here for us to hear

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okay i'm sorry i'll try again uh hans i

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wonder if you could comment on your

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flight rate so far this year what is

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enabling you

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to

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sustain this pace that you're at right

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00:10:24,230 --> 00:10:21,920
now and you have a busy stretch coming

284
00:10:26,230 --> 00:10:24,240
up with launches from both coasts is

285
00:10:27,910 --> 00:10:26,240
that going to be a particular challenge

286
00:10:29,910 --> 00:10:27,920
for you coming up soon

287
00:10:31,430 --> 00:10:29,920
uh okay um yeah

288
00:10:32,949 --> 00:10:31,440
thank you that's a that's actually an

289
00:10:36,069 --> 00:10:32,959
excellent question um

290
00:10:38,870 --> 00:10:36,079
so a lot of that is um turning things

291
00:10:39,750 --> 00:10:38,880
into routine i would say and learning

292
00:10:41,990 --> 00:10:39,760
um

293
00:10:45,030 --> 00:10:42,000
just to deal with this operation better

294
00:10:47,110 --> 00:10:45,040
and better every time

295
00:10:49,190 --> 00:10:47,120
the situation that we launched from both

296
00:10:50,710 --> 00:10:49,200
coasts is something that uh

297
00:10:53,110 --> 00:10:50,720
is uh

298
00:10:54,949 --> 00:10:53,120
somewhat new for us we've had this in

299
00:10:57,750 --> 00:10:54,959
and and you know with a little bit of

300
00:11:00,230 --> 00:10:57,760
separation in the past um

301
00:11:02,949 --> 00:11:00,240
and uh we've uh we've set up the teams

302
00:11:05,590 --> 00:11:02,959
to be able to cope with that and uh

303
00:11:08,630 --> 00:11:05,600
basically have the ability to uh

304
00:11:10,230 --> 00:11:08,640
to launch from both sides uh within you

305
00:11:12,829 --> 00:11:10,240
know a short

306
00:11:21,430 --> 00:11:15,590
period okay um we have another caller on

307
00:11:26,150 --> 00:11:24,310
hi uh first off congratulations on the

308
00:11:27,110 --> 00:11:26,160
successful reuse of the the dragon

309
00:11:28,710 --> 00:11:27,120
capsule

310
00:11:30,630 --> 00:11:28,720
uh i was wondering now that you've

311
00:11:32,710 --> 00:11:30,640
achieved both the uh the first reuse of

312
00:11:35,190 --> 00:11:32,720
the first stage and the dragon capsule

313
00:11:35,990 --> 00:11:35,200
uh has nasa given any interest in using

314
00:11:45,030 --> 00:11:36,000
a

315
00:11:47,750 --> 00:11:45,040
question goes to you right yes so um so

316
00:11:50,230 --> 00:11:47,760
we are uh that that question has been

317
00:11:52,629 --> 00:11:50,240
posed we we are looking at it

318
00:11:55,430 --> 00:11:52,639
uh we are we're evaluating every aspect

319
00:11:58,069 --> 00:11:55,440
of it very carefully and there is no

320
00:11:59,990 --> 00:11:58,079
schedule yet when we might

321
00:12:01,750 --> 00:12:00,000
go down that path but but we're looking

322
00:12:02,710 --> 00:12:01,760
at it

323
00:12:06,069 --> 00:12:02,720
okay

324
00:12:08,230 --> 00:12:06,079
see how things are shaping up on social

325
00:12:10,150 --> 00:12:08,240
media emily do you have some questions

326
00:12:11,750 --> 00:12:10,160
yeah thanks mike uh this question is

327
00:12:13,269 --> 00:12:11,760
from mary robinette and she wants to

328
00:12:15,190 --> 00:12:13,279
know with the successful reuse of the

329
00:12:16,949 --> 00:12:15,200
dragon capsule and falcon 9's beautiful

330
00:12:18,790 --> 00:12:16,959
landing what's the next milestone you're

331
00:12:20,230 --> 00:12:18,800
aiming for

332
00:12:28,629 --> 00:12:20,240
um

333
00:12:30,629 --> 00:12:28,639
milestones coming up with falcon heavy

334
00:12:33,750 --> 00:12:30,639
and and crew dragon um

335
00:12:36,150 --> 00:12:33,760
uh both later this year so um

336
00:12:38,629 --> 00:12:36,160
uh that keeps us busy

337
00:12:39,990 --> 00:12:38,639
and um

338
00:12:42,790 --> 00:12:40,000
yeah what's i would say those are the

339
00:12:43,910 --> 00:12:42,800
the two the two major major milestones

340
00:12:45,750 --> 00:12:43,920
coming up

341
00:12:48,949 --> 00:12:45,760
it's so that that's actually those are

342
00:12:52,389 --> 00:12:50,310
great there are two more questions from

343
00:12:53,750 --> 00:12:52,399
social media this one's from joe foster

344
00:12:56,790 --> 00:12:53,760
how many missions do you think you can

345
00:12:59,269 --> 00:12:56,800
continue to reuse a dragon capsule

346
00:13:01,910 --> 00:12:59,279
so we we

347
00:13:03,990 --> 00:13:01,920
we planned for multiple missions um to

348
00:13:04,790 --> 00:13:04,000
be to be able to use dragon

349
00:13:06,230 --> 00:13:04,800
and

350
00:13:08,629 --> 00:13:06,240
when this dragon comes back we will

351
00:13:10,629 --> 00:13:08,639
evaluate and see if we um

352
00:13:12,949 --> 00:13:10,639
you know i described this last time you

353
00:13:15,110 --> 00:13:12,959
have this is like uh every component has

354
00:13:16,790 --> 00:13:15,120
a life and then every mission takes a

355
00:13:18,870 --> 00:13:16,800
little bit off and you have to have a

356
00:13:22,550 --> 00:13:18,880
certain life remaining basically in

357
00:13:24,310 --> 00:13:22,560
order to do the next mission with margin

358
00:13:26,150 --> 00:13:24,320
and and it depends a little bit on how

359
00:13:28,629 --> 00:13:26,160
that how that works out

360
00:13:31,030 --> 00:13:28,639
um if i had to guess probably a couple

361
00:13:33,910 --> 00:13:32,710
this last one's from matt camper he

362
00:13:36,870 --> 00:13:33,920
wants to know how did it feel to be the

363
00:13:37,350 --> 00:13:36,880
100th launch from 39a today

364
00:13:40,230 --> 00:13:37,360
great

365
00:13:41,829 --> 00:13:40,240
[Laughter]

366
00:13:42,870 --> 00:13:41,839
okay uh chris has a question here in the

367
00:13:45,430 --> 00:13:42,880
front row

368
00:13:48,069 --> 00:13:45,440
uh yeah for hans um what's the status of

369
00:13:49,590 --> 00:13:48,079
building the new landing pads at lz1 in

370
00:13:51,269 --> 00:13:49,600
preparation for falcon heavy later this

371
00:13:53,509 --> 00:13:51,279
year that's an excellent question i

372
00:13:56,550 --> 00:13:53,519
should have actually driven by that

373
00:13:59,750 --> 00:13:58,150
i don't think we're done with that yet

374
00:14:01,910 --> 00:13:59,760
but i think we started building it i

375
00:14:03,110 --> 00:14:01,920
mean it's just uh i i'm sorry i didn't i

376
00:14:09,509 --> 00:14:03,120
didn't have the time to drive by and

377
00:14:14,870 --> 00:14:11,509
stephen

378
00:14:16,790 --> 00:14:14,880
now again um

379
00:14:19,189 --> 00:14:16,800
your next mission i understand is sort

380
00:14:20,629 --> 00:14:19,199
of a longer mission for you bulgaria

381
00:14:21,590 --> 00:14:20,639
said i think it's something like six

382
00:14:24,150 --> 00:14:21,600
hours

383
00:14:26,710 --> 00:14:24,160
uh to spacecraft separation uh based on

384
00:14:28,710 --> 00:14:26,720
what i've heard from your customer

385
00:14:31,829 --> 00:14:28,720
um uh can you talk a little bit about

386
00:14:33,189 --> 00:14:31,839
that mission profile and and uh

387
00:14:35,189 --> 00:14:33,199
what's required to do that sort of

388
00:14:37,030 --> 00:14:35,199
injection

389
00:14:39,189 --> 00:14:37,040
uh are you sure

390
00:14:41,509 --> 00:14:39,199
um because i

391
00:14:43,509 --> 00:14:41,519
i didn't hear that so far and uh i would

392
00:14:44,949 --> 00:14:43,519
i would like you i would be

393
00:14:47,509 --> 00:14:44,959
you know i would have paid attention to

394
00:14:49,590 --> 00:14:47,519
that and um and looked into this more

395
00:14:51,350 --> 00:14:49,600
deeply but um

396
00:14:53,350 --> 00:14:51,360
i have to admit i i don't have the

397
00:14:55,430 --> 00:14:53,360
information on this

398
00:14:57,590 --> 00:14:55,440
it's it's it's from uh bulgaria said

399
00:14:58,710 --> 00:14:57,600
they did a journalist presentation uh

400
00:15:01,509 --> 00:14:58,720
last week

401
00:15:04,069 --> 00:15:01,519
um can we come back to you and maybe see

402
00:15:07,030 --> 00:15:04,079
if we can clarify that sure because i'd

403
00:15:10,310 --> 00:15:08,310
okay uh ken

404
00:15:11,430 --> 00:15:10,320
hi ken kramer again for hans um i was

405
00:15:13,670 --> 00:15:11,440
just wondering

406
00:15:16,230 --> 00:15:13,680
the dragon d you have considered using

407
00:15:17,990 --> 00:15:16,240
this as a as an orbiting science lab in

408
00:15:20,790 --> 00:15:18,000
the past i wonder do you have any any

409
00:15:21,990 --> 00:15:20,800
missions any plans any customers to fly

410
00:15:23,110 --> 00:15:22,000
the dragon

411
00:15:26,550 --> 00:15:23,120
in orbit

412
00:15:29,829 --> 00:15:28,230
i know i know we did we did consider

413
00:15:31,509 --> 00:15:29,839
that and i know we we worked on that but

414
00:15:33,670 --> 00:15:31,519
i don't know what the the current status

415
00:15:38,710 --> 00:15:33,680
on this project is whether we uh we will

416
00:15:41,670 --> 00:15:40,230
okay we're uh we're going to get the

417
00:15:44,389 --> 00:15:41,680
microphone to question here in the

418
00:15:46,550 --> 00:15:44,399
second row hi um mary ellen john from

419
00:15:48,389 --> 00:15:46,560
wave report space hans

420
00:15:50,230 --> 00:15:48,399
there's um some question about the

421
00:15:52,629 --> 00:15:50,240
damage that if there was any damage done

422
00:15:57,590 --> 00:15:52,639
to the dragon on the previous flight and

423
00:16:02,230 --> 00:15:59,110
on the previous flight you mean the

424
00:16:05,110 --> 00:16:02,240
flight before this flight the um ts so

425
00:16:05,990 --> 00:16:05,120
this dragon flew on crs-4

426
00:16:07,509 --> 00:16:06,000
and

427
00:16:10,310 --> 00:16:07,519
from what i can tell there was no

428
00:16:12,629 --> 00:16:10,320
particular damage when i say it takes

429
00:16:14,949 --> 00:16:12,639
lives of of components that's just

430
00:16:16,629 --> 00:16:14,959
normal operation that's basically just a

431
00:16:18,949 --> 00:16:16,639
shaking and rattling that you have

432
00:16:21,269 --> 00:16:18,959
during during launches and

433
00:16:23,509 --> 00:16:21,279
and it's not another particular damage

434
00:16:24,710 --> 00:16:23,519
per se that's what this the part is

435
00:16:26,790 --> 00:16:24,720
designed for

436
00:16:29,829 --> 00:16:26,800
i'm not aware of any damage to dragon on

437
00:16:31,749 --> 00:16:29,839
its then beyond that that usage

438
00:16:35,030 --> 00:16:31,759
uh the overall you know just the the

439
00:16:37,030 --> 00:16:35,040
normal normal usage on on last flight

440
00:16:39,269 --> 00:16:37,040
and then on the salt water front

441
00:16:43,269 --> 00:16:39,279
we've made steady progress to um

442
00:16:45,990 --> 00:16:45,030
just being in a salty atmosphere is

443
00:16:50,389 --> 00:16:46,000
usually

444
00:16:52,230 --> 00:16:50,399
uh already uh pretty pretty bad so um my

445
00:16:54,629 --> 00:16:52,240
understanding is right now that we've

446
00:16:57,670 --> 00:16:54,639
cleaned this up pretty well and

447
00:17:00,949 --> 00:16:57,680
and and that allows us to use more and

448
00:17:03,670 --> 00:17:02,230
okay

449
00:17:05,829 --> 00:17:03,680
emily do you have any other questions

450
00:17:07,429 --> 00:17:05,839
that you'd like to ask at this time all

451
00:17:09,350 --> 00:17:07,439
right uh then we'll wrap things up with

452
00:17:10,390 --> 00:17:09,360
a final question from sawyer

453
00:17:12,470 --> 00:17:10,400
thank you very much mike sawyer

454
00:17:14,710 --> 00:17:12,480
rosenstein with talking space uh for

455
00:17:16,230 --> 00:17:14,720
hans with the launches picking up now

456
00:17:18,630 --> 00:17:16,240
with there being more of them and with

457
00:17:21,270 --> 00:17:18,640
block five being capable of doing barge

458
00:17:23,189 --> 00:17:21,280
or land landings uh can you talk a

459
00:17:24,710 --> 00:17:23,199
little bit about the process for example

460
00:17:27,189 --> 00:17:24,720
two weeks coming up between launches in

461
00:17:28,470 --> 00:17:27,199
the decision process on barge versus

462
00:17:30,310 --> 00:17:28,480
land landings

463
00:17:32,390 --> 00:17:30,320
so the barge versus land landing is

464
00:17:33,830 --> 00:17:32,400
always driven by

465
00:17:35,750 --> 00:17:33,840
i want to say how much fuel you have

466
00:17:37,510 --> 00:17:35,760
left after your main mission

467
00:17:39,750 --> 00:17:37,520
and if you have enough fuel left you you

468
00:17:41,830 --> 00:17:39,760
return to the land that's um in

469
00:17:43,990 --> 00:17:41,840
generally easier for us and saves money

470
00:17:46,630 --> 00:17:44,000
because we don't have to send the

471
00:17:48,950 --> 00:17:46,640
drone ship out there

472
00:17:51,270 --> 00:17:48,960
in general it seems that drone ship and

473
00:17:53,669 --> 00:17:51,280
land landing are equally

474
00:17:56,470 --> 00:17:53,679
um i don't want to say easy

475
00:17:59,190 --> 00:17:56,480
but for for the rocket itself it seems

476
00:18:00,470 --> 00:17:59,200
to be the same basically

477
00:18:02,549 --> 00:18:00,480
in terms of

478
00:18:05,029 --> 00:18:02,559
of of hitting the the deck and hitting

479
00:18:08,150 --> 00:18:05,039
the the the landing spot

480
00:18:11,029 --> 00:18:08,160
or rather landing on the right spot

481
00:18:12,950 --> 00:18:11,039
so the decision is literally just

482
00:18:14,390 --> 00:18:12,960
depending on how

483
00:18:16,710 --> 00:18:14,400
how much fuel you have left and that

484
00:18:18,470 --> 00:18:16,720
depends on the orbit on the satellite

485
00:18:21,510 --> 00:18:18,480
how heavy the satellite is what kind of

486
00:18:23,270 --> 00:18:21,520
mission it is and

487
00:18:25,590 --> 00:18:23,280
and all these these factors so we know

488
00:18:28,390 --> 00:18:25,600
this in generally we know this um

489
00:18:30,549 --> 00:18:28,400
a while before i mean it's not not the

490
00:18:31,830 --> 00:18:30,559
two weeks um you know this month ahead

491
00:18:33,750 --> 00:18:31,840
of time

492
00:18:35,510 --> 00:18:33,760
so then you're working your schedules to

493
00:18:37,669 --> 00:18:35,520
adjust to try and account for the

494
00:18:39,669 --> 00:18:37,679
payload for that as well yeah i mean the

495
00:18:42,390 --> 00:18:39,679
two weeks um at the at the end of the

496
00:18:44,630 --> 00:18:42,400
day um yeah we you need to get the

497
00:18:46,310 --> 00:18:44,640
vehicle and the payload ready and um and

498
00:18:47,270 --> 00:18:46,320
we have multiple places where we can do

499
00:18:49,669 --> 00:18:47,280
this now

500
00:18:52,310 --> 00:18:49,679
so it's

501
00:18:55,029 --> 00:18:53,190
okay

502
00:18:56,789 --> 00:18:55,039
thank you very much for coming

503
00:18:58,549 --> 00:18:56,799
before we leave i wanted to

504
00:19:01,350 --> 00:18:58,559
let you know a couple of

505
00:19:03,190 --> 00:19:01,360
notes on nasa television before dragon

506
00:19:05,909 --> 00:19:03,200
arrives at the space station as venn was

507
00:19:08,150 --> 00:19:05,919
talking about orbital atk's cygnus cargo

508
00:19:09,590 --> 00:19:08,160
spacecraft is set to depart the station

509
00:19:12,549 --> 00:19:09,600
tomorrow

510
00:19:14,310 --> 00:19:12,559
expedition 52 flight engineers uh peggy

511
00:19:16,789 --> 00:19:14,320
whitson and jack fisher will be

512
00:19:19,270 --> 00:19:16,799
operating the robot arm nasa television

513
00:19:22,150 --> 00:19:19,280
coverage starts at 8 30 a.m eastern time

514
00:19:24,390 --> 00:19:22,160
for an expected 9 10 a.m release

515
00:19:26,549 --> 00:19:24,400
and then on monday dragon makes its

516
00:19:28,390 --> 00:19:26,559
arrival nasa television coverage will

517
00:19:31,110 --> 00:19:28,400
begin at 8 30 a.m

518
00:19:32,549 --> 00:19:31,120
for an expected capture at about 10 a.m

519
00:19:34,549 --> 00:19:32,559
eastern time

520
00:19:39,830 --> 00:19:34,559
and for more information on the spacex

521
00:19:42,070 --> 00:19:39,840
crs 11 mission please visit www.nasa.gov

522
00:19:46,950 --> 00:19:42,080
spacex and more information about the