signature, infrared signature, it obviously needs to be very cold or all it s going to measure is just itself. minus j mid, mts full deployment, layer one. in space, really the only thing that will heat you up is the electronics that you ve got, and the really bright source which is the sun. that s the purpose of the sun shield. the sun shield keeps the telescope from getting all that sunlight so to stays cold. nice and slow, guys. nice and slow. it was particularly challenging the fact that we have to fold it up and deploy it once we get on orbit. stop. hold that. what happened? just lost a cable. talked to john about that? yeah. i m going to get him. we ll come back and look at layer five. yeah. let s do this. brian, are you ready? ready. are you ready? we don t have the
chamber a was originally built for the apollo program to test the command module with the astronauts in it. we re here building on the legacy that the country built in the 60s. ladies and gentlemen. james webb was the administrator early on in nasa s life, during the early stages of apollo program, working with kennedy to establish that program to get up to landing on the moon. it was the commitment with the science that he had. now, we still have a bunch of environmental testings that we have to do, acoustics testing. because we want to make sure it survives the rocket launch, the most violent environment that we see. we bring it in here, the sun shield and its stowed cocoon state. we subject this to the sound