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Two USA employees look at the network signal processor NSP that was responsible for postponement of the launch of STS-90.

NASA

NASA

Two USA employees, Tim Seymour (at left) and Danny Brown (at right), look at the network signal processor (NSP) that was responsible for postponement of the launch of STS-90 on Apr. 16. The Space Shuttle Columbia's liftoff from Launch Pad 39B was postponed 24 hours due to difficulty with NSP No. 2 on the orbiter. This device formats data and voice communications between the ground and the Space Shuttle. The unit, which is located in the orbiter's mid-deck, was removed and replaced on Apr. 16. Mission managers first noticed the problem at about 3 a.m. during normal communications systems activation prior to tanking operations. As a result, work to load the external tank with the cryogenic propellants did not begin and launch postponement was made official at about 8:15 a.m. STS-90 is slated to be the launch of Neurolab, a nearly 17-day mission to examine the effects of spaceflight on the brain, spinal cord, peripheral nerves and sensory organs in the human body.

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  • Title: Two USA employees look at the network signal processor NSP that was responsible for postponement of the launch of STS-90.
  • Location: Kennedy Space Center, FL
  • Owner: KSC
  • Album: cbabir
  • About Title: To help you find images you’re searching for, previously untitled images have been labelled automatically based on their description

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