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while the expedition 40 station crew

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continues its work above earth another

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crew of astronauts are taking space

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exploration 62 feet below the sea the

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nemo 18 crew japanese astronaut aki

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hoshide serving as nemo 18 commander and

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his crew nasa astronauts mark vandihei

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and jeannette epps and european space

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agency astronaut thomas pisquat are now

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submerged underwater for day five of its

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nine-day underwater mission at the

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aquarius habitat earlier today i spoke

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with mark vande high about the progress

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of his mission

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so i know you're on day five of a

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nine-day mission there underwater

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uh tell me how it's going it is going

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great we are having lots and lots of fun

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um

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it's an incredible opportunity to live

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down here and just

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seeing this the planet from this

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perspective and working with some

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amazing people is i just couldn't ask

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for anything better

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great well tell me from your personal

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perspective how do you feel that that

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nine-day underwater mission is preparing

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you to eventually go into space

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actually i think i'm shocked at how well

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it it is an analog to a space flight

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there is

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we're living in a small uh habitat

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where

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the outside atmosphere is not something

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we can breathe

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there's uh pressure differences

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between how

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outside and how we're

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normally used to living

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and the timeline actually has been great

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for me i'm getting a lot of exposure to

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trying to keep ahead of the timeline and

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adjust the changes in the plan so it's

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it's really good for me that's great you

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mentioned the timeline i guess that's

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very good training for you know how the

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astronauts aboard the space station are

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uh working along that timeline i've

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heard many times them kind of almost

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chasing that red line so is it similar

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there

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absolutely yes it's uh

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it's a lot more it's a much funner day

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when you're managing to always stay

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ahead of the timeline as opposed to

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those times when things go wrong

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and you have to call down and say hey i

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didn't get this done in time or i'm

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missing the part to finish this

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so it

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is challenging sometimes but as time

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goes on things get easier and easier to

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do

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and it just gets more and more fun just

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keep swimming so listen

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so listen i know uh yesterday i believe

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you were out for a simulated spacewalk

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is that correct that's correct so tell

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me about that

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so tomate and i were out on a spacewalk

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for about three hours actually of course

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we're in the water

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um we're simulating approaching an

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asteroid where we had already mounted a

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a boom with a drill assembly and we were

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working through the engineering

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challenges associated with the equipment

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development for

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one of those drills so

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we set up the drill we started doing

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some sampling

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and gave the engineers designing the

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equipment some feedback on what we

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thought worked well and

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how we can operate it better yeah well

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so tell me how did that compare to your

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training when you're out here at the

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neutral buoyancy laboratory was it was

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there anything different any extra

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challenges that would be different

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in some ways it was easier um

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in the neutral buoyancy lab you're

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inside of a pressurized suit that's four

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pounds per square inch higher inside the

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suit than outside the suit

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here with a diving helmet on and wearing

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a wetsuit it was actually much easier to

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move around because there was no

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pressure differential between the

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outside and inside the wetsuit

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also the gloves were using uh

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here

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they're normal diving gloves so they're

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much it's much easier to manipulate your

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fingers

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you can also adjust your buoyancy

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yourself much like when you're diving

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so

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in general it was easier it wasn't as

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high a resolution simulation

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the visibility here yesterday was much

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worse

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um but we had diver support um just like

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we do in the mbl and the equipment was

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similar

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and so was it about the was it simulated

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much like a space

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walk as far as time wise

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um

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yes very much so although in the nbl

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we'd spend five to six hours underwater

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we were only outside for about three

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hours okay and tell me some about the

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tools that you were using

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so there's a large uh

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room that starts off folding up

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it uh you basically raise up one part

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you have another elbow sticking out

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and then you mount a drill

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on the other end um in an attempt to

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get about a two meter long sample from

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the asteroid

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we've got we drill in

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one section

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once that's gone down far enough we add

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another section continue drilling

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and then if all goes well and the drill

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doesn't stop we add a third section and

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continue drilling

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once that's all done you pull it out and

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you've got a core sample down the length

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of that hollow drill bit

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i understand you guys are also doing

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some other things working with calm

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delays and also some human body studies

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can you tell me some of the other

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activities that you've been involved in

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yeah we've been doing a lot of studies

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on teamwork this is a very confined

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space much like we would be in if we're

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traveling further away

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check our proximity to each other

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we've got sensors that check our heart

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rate light exposure our activity levels

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um even we've been doing uh saliva

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samples to help understand what hormones

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we've got going on in our bodies just

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to better understand the relationships

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uh among ourselves also lots and lots of

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surveys

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um

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any more details on that question

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um yeah so and then also you're talking

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about the teamwork and stuff i guess you

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also have a similar you have an

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international crew there with aki

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hoshide and also thomas pesquet from the

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european space agency much like what you

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would have on the space station possibly

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even future missions so how is that

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going for you

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i i honestly it couldn't be going better

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um we have been having so much fun a lot

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of times we're laughing so hard we have

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a hard time breathing

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uh aki is an incredibly good commander

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uh he's got a great sense of when to

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make things very directive and say okay

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let's focus on this get it done

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at the same time he's got a very goofy

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side where he's willing to laugh at

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himself and uh and you know we're just

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yeah it's we're and that's not always

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the case but somehow things are meshing

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very well for us here

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sure so listen i've been following your

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mission along on twitter and i've

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noticed that you had posted something

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recently about taking a shower and

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looking out the window and seeing fish

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can you imagine what you might see when

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you're in space

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hopefully i wouldn't see any life

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outside the window unless i was hoping

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unless that's something we were looking

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for but uh

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yeah in fact you can see this is uh

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today we've got a lot more fish outside

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than normal

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um

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it's like a swarm of mosquitoes honestly

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there's so much light outside the window

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right now it's really amazing yeah we've

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no i've noticed a lot of the the

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photographs there seems to always be a

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fish outside the window and uh what's

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next on tap for you

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i'll come back to

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houston and

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the next big event for me is uh getting

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back in the nbl

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and then immediately following that uh

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orbit two orbitals the orbital

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spacecraft that's currently docked to

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the space station

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is going to undock so i'll work as a

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capcom for that mission

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wonderful well mark it was very uh good

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talking with you today thanks for

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joining us and uh best of luck to you

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and the crew for the rest of this

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mission