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hello and welcome back to mission

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control houston again we have a special

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guest today

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at the public affairs console that's

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scott stover the lead flight director

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for this expedition 30 increment or

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expedition welcome to uh our console

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scott well thank you very much always a

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good time to be in mission control and

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able to talk to folks around the world

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we always love being here too um say

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let's start our interview off with a

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little bit of background about you uh

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where you're from and what kind of

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education you have and

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what it took you to get to here

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sure i grew up in a small rural town in

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pennsylvania called lane masters uh it's

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about 45 minutes west of gettysburg for

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anybody who wants to try to find it on a

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map

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but with that i

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again the small rural town my father was

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a firefighter my mother a nurse i was an

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only child

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from there i went to penn state

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university and got a bachelor's degree

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in aerospace engineering uh and and from

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from there i you know i always wanted to

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work at nasa work in the the aerospace

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industry and work with astronauts and

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going into space so that's something i

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always went after

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as i said i i graduated uh from penn

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state with an aerospace engineering

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degree and i came to work for a

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contractor here in houston uh called

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united space alliance where a lot of the

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folks that work in operations work for

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that contractor i worked there for about

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five years and along with that i

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pursued a master's degree at the

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university of houston i got one of the

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very first masters of science in space

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architecture it's a a one-of-a-kind

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degree that right now the university of

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houston

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offers and i myself and a few my

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colleagues actually championed that

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degree and created it so we're able to

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get that degree underway

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so i graduated there and was able to

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then

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continue working for usa as a flight

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controller here in mission control

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houston

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working with the electrical power system

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of the international space station

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i worked there for a few years and was

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able to do what we call a badge swap

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come over to the actually working for

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nasa itself

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i continue doing the same exact job as a

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flight controller with the electrical

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power system of the space station uh a

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few years later i was able to

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become what we call the group lead over

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those flight controllers for the that

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person has more of the job of making

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sure that the right correct folks are

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being trained uh to be flight

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controllers uh work out the schedules

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who who's on console who's supporting

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our simulations uh and and who's uh

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assigned to work the big assembly

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missions that were going on at the time

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in those type things

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a few years later i applied and was

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accepted into the flight director office

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so i've been a flight director since

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2009

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and this is my first increment as a lead

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uh flight director i was able to work uh

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at least one of the shuttle missions i

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worked sts-132

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as a flight director uh and that was a

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very exciting time again uh watching the

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the end of the the shuttle program but

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uh finishing up the actual construction

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of the international space station was a

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great time to be a flight director and

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seeing all the work that was going into

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the the culmination of the the space

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shuttle program

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wow that's a really uh very interesting

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background scott thanks

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before we get into the details of what a

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lead flight director does can you give

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us a little bit of background on what a

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flight director does in the

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international space station control room

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especially during these days when

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assembly is virtually complete and we're

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in the operations mode uh

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really focusing on using this unique

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laboratory put in orbit sure of course

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the the flight director here in houston

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is uh the person in charge of everything

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so we manage the day in the day out

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operations of the space station of

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course we work with our international

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partners in moscow in scuba in munich uh

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the folks in

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montreal

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and uh

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we we also

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work with folks in pyc which is in

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huntsville alabama which manage our nasa

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payloads for us

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the

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of course everybody that sits in mission

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control houston or any of the other

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control centers is first of all the

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safety of the crew we monitor all the

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activities that are going on and the

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operations of the vehicle systems make

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sure the crew is safe and that the uh

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whatever operation we're doing that day

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is going to safe and continue the

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operation of the vehicle for you know

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the foreseeable future we manage the

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timeline and make sure that if

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items in the timeline are taking longer

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we actively

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prioritize the upcoming events is the

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activity that we're doing that is taking

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longer

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more important than an upcoming activity

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or do we want to

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find a stopping point what we're

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currently doing and proceed with another

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activity that we deem a higher priority

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um so again the main thing is we're

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managing the safety of the crew and the

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vehicle and following a timeline and

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laying out what needs to be done to keep

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the vehicle operating and of course do

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the all-important science which is what

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we're really trying to to get

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accomplished on board

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okay and then so

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that's the general flight director

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duties and that's anybody that sits in

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your chair

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for a

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shift that

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usually lasts about nine but on the

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weekends 12 hours

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what about for an increment or

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expedition lead how does that differ

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from the day-to-day flight director job

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yeah it's actually very different uh so

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i come in every morning and we have

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reporting meetings out to both my

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management also to program management uh

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reporting what what happened over the

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previous 24 hours and then looking ahead

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to what the plans are for the the

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upcoming days one once we're sure the

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management's happy of where we're at and

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where we're going my job is to focus

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usually at least one week maybe two or

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three weeks out in the future and plan

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those priorities that the program has

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given us out over those next three weeks

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verifying that we can't accomplish the

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priorities that the crew

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the program has given us to to do so i i

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spend most of my time thinking a few

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days in the future you'll see me in the

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hallway and i don't even know what day

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it is today because i'm thinking two or

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three weeks into the future um and it's

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the job the the flight director is on

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console right now to execute the plan

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that we've put together and and they'll

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tell me how things went today and if we

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need to replan anything so again i'm

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looking more into the future and what's

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going on in managing a team of flight

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controllers that aren't sitting in the

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flight control room but are helping me

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with that plan getting that plan pulled

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together and looking again long-term

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where we need to be

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throughout the six months of an

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increment or an expedition

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now a good example that is you were in

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the international space station mission

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management team this morning and i know

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because i heard you what can you tell us

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about what you briefed the program

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managers around the world about what

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we're doing on orbit today sure uh so

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this morning i went through the

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activities of yesterday uh in which uh

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luckily there were no problems from

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yesterday uh everything went well uh we

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performed overnight we performed some

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robotics operations to take images

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between modules to verify that we

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understand our computer design models

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are correct of how the space station is

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actually assembled on orbit

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so that's what we did last night

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again today as i'm sure folks have seen

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already we're focusing a lot on the

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cabin fan assembly in the columbus

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module making sure that it's clean uh

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and ready for continued operations we're

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going to continue that tomorrow so a lot

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of my briefing this morning to the

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mission management team was about what

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happened yesterday and then giving a

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preview of what we're doing today

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and i would imagine the ventilation

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would be an important item of the

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architecture for you

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yes

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as a space architect background

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ventilation is a very interesting part

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of the space station

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each of the modules of course were

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designed and built in a computer on the

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ground but were never actually linked up

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until they got into orbit so

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understanding the airflow between the

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different modules of the international

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space station from the russian segment

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through the u.s modules the jackson

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module and the the issa module

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is a very complex air flow system and we

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need to make sure that we're keeping it

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clean and well ventilated of course you

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know here on the ground you don't have

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to worry too much about your exhaling

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co2 or anything like that because we

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have natural convection due to gravity

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that will pull the co2 away from you and

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provide you with fresh oxygen that's not

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true on orbit if a crew member is in

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stale air the co2 that they exhale will

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just stay in front of their face and can

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actually affixiate them over time so we

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need to make sure that the air is

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constantly moving

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on orbit and therefore providing the

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crew with fresh clean air and that's why

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we

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investigate our ducting and our fans to

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make sure that we're providing that

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clean air throughout the vehicle

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and we do a lot of recycling of the

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atmosphere on board too right

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correct um we've got

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trace contaminated control systems which

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clean harmful contaminants that may be

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either off gas from new hardware or from

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a payload that will you know give off

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some kind of gas the then we also have

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our carbon dioxide removal assemblies

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which specifically go after the co2

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that's being exhaled by the crew members

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and what that does is that absorbs that

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and then we were able to vent that

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overboard or sometimes we have a

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processor called a sabati a engine which

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takes that carbon dioxide and actually

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can transform it back into water for us

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so it's a it's a very

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regenerative system and we try not to

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waste any gas or any water that we can

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great

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and then

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another part of the your job is planning

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for the expedition before it ever begins

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and this crew has had some changes in

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the duration of its expedition uh they

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got off the ground a little bit late

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because of some issues with uh one of

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the russian launch vehicles uh but we

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maintained the crew onboard the space

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station uh consistently we've done that

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for 11 years now and now we're hearing

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that we're going to adjust the flight

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program a little bit more so that this

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crew actually is going to get their full

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plan stay on orbit can you tell us a

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little bit how that all goes sure um so

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we were delayed due to an issue with

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what we call 44 progress the 44th

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progress to the vehicle uh was actually

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lost on launch uh and therefore there

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was a lot of concern over the launch

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vehicle making sure it was safe before

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we put human beings back on it um so

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there was a lot of investigation that

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both the our russian colleagues helped

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out with of course they led the actual

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investigation and we just sort of

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monitored and made sure we understood

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the progress they were making with that

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investigation once it was determined

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that the vehicle was safe and we were

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ready to launch the crew that happened

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back in november we were able to launch

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28s which mr burbank and his crew

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members flew on um before that uh i was

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actually part of the team that did a lot

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of the investigation what would we need

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to do if we decreed the vehicle if we

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actually brought all the crew members

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home how did we need to configure the

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vehicle so they'd be safe and ready for

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recruiter return once we were ready for

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that so that that spent a lot of time

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leading up to the increment

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but we also spent a lot of time making

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sure that dan and his crew members would

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have

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the right amount of handover available

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so that in the short period of time that

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they were going to be there with mike

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fossum and his crew they would be ready

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to take over and be in charge of the

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vehicle um now that said we have now

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extended a our mission here at the end

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we originally were supposed to have 28s

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return in the middle of may or sorry the

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middle of march and is now coming back

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at the very end of april so that's about

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a six weeks extension and what we've

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done is i've worked with my upcoming

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increment lead flight director matt

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abbott uh who's the increment 31 lead

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and now they had already started laying

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out plans for what april was supposed to

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look like what may is supposed to look

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like and we have started taking what

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their plans were and adjusting them to

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the crew members that we'll have on

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board so that we can follow those

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priorities and continue doing valuable

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science and work on board uh while we

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wait for 28 s to come home and then

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eventually the launch of 30s in may

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and so to wrap up the interview today

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you just finished up with talking about

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science how much science is the crew

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actually getting accomplished on board

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the space station

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so science is a very hard thing to to

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put a number on

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what we do is we look at how many

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payload operations that we have planned

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uh and and that can be anything from the

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crew members uh

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you know working with the combustion

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integration rack which i think folks

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have seen today uh we've also have

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multiple fluid experiments uh capillary

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flow is one of the things that we're

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very interested in

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and of course we the crew members

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themselves are guinea pigs they we we do

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all kinds of science studies on the crew

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members themselves of their food intake

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and and their bone loss or anything like

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that so uh when we're trying to figure

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out how much they've actually done

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we calculate all those things that we

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put on the plan and we come up with a

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number of hours

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so right now the goal of the program is

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to do about 35 hours a week of payload

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operations

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we due to some of the extenuating

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circumstances of folks being delayed

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getting on orbit and things like that

390
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we've actually upped that number to make

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sure that we meet that average so we're

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doing about 50 hours a week of crew

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tended payloads that doesn't count all

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the ground tenant payloads that we're

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also doing so you you have the alpha

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magnetic spectrometer and a bunch of

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payloads that don't require 24-hour crew

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interaction and and so those are

399
00:13:17,670 --> 00:13:15,279
continuously running gathering science

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data and bringing that down all the time

401
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so that's even beyond that unquote 50

402
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hours a week that we're doing

403
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okay well scott thanks a whole lot for

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00:13:26,790 --> 00:13:25,519
being with us here today and and just to

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00:13:28,470 --> 00:13:26,800
look ahead at tomorrow we're going to

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have tara rutley from the international

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space station program science office

408
00:13:34,790 --> 00:13:32,880
talking to more some more about it about

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the research onboard the station with us

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and then on friday we're planning on

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having trent martin

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from the ams project so he can talk a

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little bit about the cosmic ray

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collection that they're doing so with

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that we'll say thanks again to scott

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stover the lead flight director for

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expedition 30 and this increment aboard