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that's what you're dealing with, big, bulky gloves. those are some of the things, the suit, the tools are different, things float around. you have to constantly check your suit and make sure that's all good. that makes it more challenging. but it's also a lot of fun. >> fun for you guys, scary for us. >> yes. >> the japanese sumatastronaut controlling this arm. we see one of the astronauts tethered to it? >> he's moving the arm around. they may be putting it in position for mike to get in. what happens is you always have a safety heather on. one of the guys will have a safety tether attached to the space station and the astronaut in this case, mike hopkins, who willing on the robot arm will hook his safety tether on to the robot arm and he'll hop in. >> a lot of trust there.