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Kennedy Space Center
Countdown to Launch
April 16, l998 - Network Signal Processor No. 2 after removal from
the Space Shuttle Columbia
The scheduled launch of Columbia on Apr. 16 from Launch Pad 39B was postponed
24 hours due to difficulty with network signal processor 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,
will be removed and replaced. Prior to launch, one of the final steps will
be to load the external tank with approximately 500,000 gallons of liquid
hydrogen and liquid oxygen for fueling the orbiters three main engines.
Tanking had not yet begun when the launch scheduled for Apr. 16 was scrubbed.
Earlier Pictures of Neurolab Processing at KSC
April 15 p.m. Rollback of
the RSS
April 15The STS-90 crew wave
to family and friends in front of Launch Pad 39B
April 13 STS-90 crew arrival
at KSC's Shuttle Landing Facility
March 31Crew participates in
TCDT at Launch Pad 39B
March 30Terminal Countdown
Demonstration Test (TCDT) activities
March 29The crew arrives to
begin TCDT activities
March 23The Space Shuttle Columbia
rolls out to Launch Pad 39B!
March 16-Shuttle transferred
from OPF to the VAB
March 9-Payload bay door closure
February 26-The STS-90 crew
participate in CEIT
February 12-Neurolab in Orbiter
Processing Facility bay 3
February, first week-Neurolab
moved into its payload canister in O&C Building
January 1998-Crew participates
in CEIT
December 1997-Further processing,
preparation for launch
November 1997-Neurolab installed
in Spacelab module in the O&C
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