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 Space commemorative cover
 or Space Cover.
 
  Kosmodrom / Plats : USA
 
 Stämpeldatum: 28 Avril 1991
 Händelsetyp : Uppskjutning
 Startplatta / Plats : USA KSC (FL)
 Bemannad / Robotisk Mission : Bemannad
 Uppdragsmål/Typ : Militär / Hemlig
 ou?/where?: au sol - ground
 autographe?: non - none
 Beskrivning :  STS-39 was the twelfth mission of the Space Shuttle Discovery. The primary purpose of the mission was to conduct a variety of payload experiments for the Department of Defense. The mission was postponed 2 times, for technicals reasons.
STS-39 was a dedicated Department of Defense mission. Unclassified payload included Air Force Program-675 (AFP675); Infrared Background Signature Survey (IBSS) with Critical Ionization Velocity (CIV), Chemical Release Observation (CRO) and Shuttle Pallet Satellite-II (SPAS-II) experiments; and Space Test Payload-1 (STP-1). Classified payload consisted of Multi-Purpose Release Canister (MPEC). Also on board was Radiation Monitoring Equipment III (RME III) and Cloud Logic to Optimize Use of Defense Systems-1A (CLOUDS-1A).
 KSC post stamp.
Nyckelord : #Rymdfärja,
 RYMDREVYN : 02 - 2015 Senast ändrad: 19/08/2015 @ 09h13
 
 
 
	
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