Here are details about a : Space commemorative cover or Space Cover.

Cosmodrome / Location : USA
Date of Cancellation: Jun 3, 1974 Event Type : Launch Launch Pad / Location : USA Vandenberg SFB (CA) Manned / Robotic Mission : Robotic Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : The primary mission objective of Explorer 52 (Hawkeye, IE D, Ionospheric Explorer D, Injun 6 or Neutral Point Explorer) was to conduct particles and fields investigations of the polar magnetosphere of the earth out to 21 earth radii. Secondary objectives were to make magnetic field and plasma distribution measurements in the solar wind, and to study Type-3 radio emissions caused by solar electron streams in the interplanetary medium.
Vandenberg post stamp and Explorer 52 satellite. Keyword(s) : #Planet, #Satellite, This is OUTSIDE of a Space Revue. Last modified: 04/08/2015 @ 11h45
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Page : future · Ref: USA 692 Space Event : EXPLORER 52 · aka INJUN 6, HAWKEYE 1, IE D (SATELLITE) · SCOUT E1
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