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History
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Accomplishments in SpaceCommemorative Issue of 1967
Accomplishments in SpaceCommemorative Issue of 1967
Fort Bliss Issue of 1948
Fort Bliss Issue of 1948
ECHO I, Issue of 1960
ECHO I, Issue of 1960
Echo 1 sits fully inflated at a Navy hangar in Weeksville, North Carolina
Echo 1 sits fully inflated at a Navy hangar in Weeksville, North Carolina
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Echo 1 sits fully inflated at a Navy hangar in Weeksville, North Carolina.
Echo 1 sits fully inflated at a Navy hangar in Weeksville, North Carolina.
Echo 2
Echo 2
Holmdel Horn Antenna, constructed for Project Echo, and later used to discover the cosmic microwave background radiation.
Holmdel Horn Antenna, constructed for Project Echo, and later used to discover the cosmic microwave background radiation.
T. Keith Glennan shows LBJ aluminized Mylar film used to make Echo I
T. Keith Glennan shows LBJ aluminized Mylar film used to make Echo I