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 Space commemorative cover
 or Space Cover.
 
  Cosmódromo / Lugar : EE.UU.
 
 Fecha de matasellos: 28 Avril 1991
 Tipo de Evento : Lanzamiento
 Plataforma / Lugar : EE. UU. KSC (FL)
 Misión Tripulada / Robótica : Tripulada
 Objetivo/Tipo de Misión : Militar / Secreto
 ou?/where?: au sol - ground
 autographe?: non - none
 Descripción :  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.
Palabra(s) clave : #Transbordador Espacial,
 REVISTA DEL ESPACIO : 02 - 2015 Última modificación: 19/08/2015 @ 09h13
 
 
 
	
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