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well you see these folks behind me every

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week supporting the crew members on the

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space station as they perform science

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experiments well the person who leads

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that team is called a payload operations

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director and i'm pleased to be joined by

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one of the first of five people who was

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asked by nasa to be a payload operations

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director that was way back in expedition

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2 pat patterson now we're on expedition

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47 tell us about the things that that

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we've accomplished in that time what

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goes through your mind

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well first and foremost is the amount of

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science that we've accomplished and the

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amazing people both here and across the

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world that have helped us enable that

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science

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and you know you didn't start out with

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this beautiful room we have behind us

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here either tell us about you know i

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mean you've had you've added crew

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members you've had to add technology too

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technology has changed a lot i'm sure

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technology has changed in the last 15

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years our original room was

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90 degrees oriented differently we did

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not have our nice big video wall our

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computers were not state of the art

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our communications we were only dealing

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with houston mostly at the beginning now

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we interact with the european space

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agency the japanese space agency jaxa

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and all of our payload developers across

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the globe so

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communication has improved a lot as well

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and the crew members have changed over

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that time too and and you have like you

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mentioned the the international partners

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tell us how that has evolved through the

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years working with the crew members and

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helping them get that important science

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um well we surged between uh we've had

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as few as two crew members up to as many

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as nine when we had a shuttle dock with

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us so that that affects a lot with what

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you can do and how you do it and you

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guys plan

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coordinate and and do it all right right

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we're responsible for the nasa science

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on board and our job is to make sure

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that the crew has everything they need

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to execute that science for the

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scientist on the ground so i want to ask

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you your favorite crew member but i will

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ask you about some of your favorite

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experiments yeah we'll put you on the

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spot uh do you have any over i mean

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that's really been a long time what's

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that i mean that's since 2001

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yeah a lot of experiments how many have

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we gotten to i mean it's really

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increased we have we're up to over 300

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payloads or experiments um asking

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somebody their favorites kind of like

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asking somebody to name a favorite child

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or a pet they're all unique and they all

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have soft spots in our hearts but one of

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them i wanted to tell you about today

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was called spiders in space and we flew

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uh two

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golden orb spiders that lived onboard

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space station for approximately three

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months and the goal there was golden orb

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spiders spin a web every day so we

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wanted to see how they would adapt and

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come to find out

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they adapted just fine and comparing

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that to golden orbs that flew on a

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shorter duration shuttle mission the

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shuttle spiders spun continuously

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whereas the station spiders followed a

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timetable they got up in the morning

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spun their web hunted their food and

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then ate their web and started all over

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the next day so it's just amazing how

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not only humans but creatures can adapt

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as well and that was very popular the

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video was very popular on youtube as it

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was and you also i see you're leaning

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towards the educational side of payloads

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tell us about the other one that you

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really like the other one is called

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spheres which is an acronym like

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everything at nasa is in ackermann

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sphere stands for

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synchronize position hold engage

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reorient experiment satellites

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that's why it's an acronym that's right

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and it's a set of three soccer ball

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sized satellites that can be

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computer controlled from software that's

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uploaded from the ground

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and you know the educational part of

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spheres is that every six months mit

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holds a competition and they design a

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scenario and one of the scenarios last

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year was they provided a map of

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asteroids and solar flares and then the

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students had to code the software to get

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close to get imagery but not too close

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to the solar flare so the finalists

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actually go to mit they sit in a big

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conference room they have on their big

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screen in their conference room um the

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satellite's operating with the crew

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there and the crew's there scoring it

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and at the end there's one team that

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wins so it's it's really a neat thing

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for us to get to see that interaction

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and excitement that's generated and and

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you're kind of the behind the scenes in

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that you get them ready for that we are

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but the other cool thing about spheres

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is it's not just an educational payload

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it's also a tech demo payload over the

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years it's been on board since increment

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13. and over the years we've flown

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different batteries to help with the

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power system we've flown a smartphone to

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help with the command and data handling

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system we've flown goggles to help with

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the imagery system

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one

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great inventive mind on the earth

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thought about they sent up hardware that

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connected two spheres with a chamber in

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the middle that could hold liquid and

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they would move the spheres and see how

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the liquid slosh so we were studying the

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slash effect and also the every action

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has an equal and opposite reaction

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effect

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that is so interesting and i know

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a lot of times when when people ask you

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about the payload operations integration

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center you always talk about the people

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that meant to you over the years it's

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it's just

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an experience that is very hard to

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describe the people it's not just the

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people in huntsville are just the people

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in houston it's the people in the other

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control centers in in moscow in scuba

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japan and over popping hop in germany

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and all of the payload developers across

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the world we're all working towards

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expanding our knowledge base and going

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for the discovery and learning new

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things that will help all of us

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go beyond low earth orbit i know we're

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grateful that you've been there from the

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start and one day i'm going to learn how

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to say overflow

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takes a lot of practice doesn't roll off

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the tongue too easily let's take a live

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look into the payload operations

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integration center look at those folks

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busy at work today thank you very much

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pat and if you'd like to ask pat

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anything or maybe any of these people

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maybe something i didn't ask you'll have

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that opportunity this thursday march the

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10th from two to 3 central time

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during our reddit ask me anything you

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ready for that pat i'm ready i will be

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joined by other team members here to

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answer your questions about supporting

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science on the station

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you can follow along with the responses

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to the questions or just pose one

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yourself if you'd like to at the

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official reddit ama website that's