EntityQ906148· pop 6· linked from 71 articlesDiscoverer 13Sign in to savereconnaissance satelliteConnectionsCoronaEntityUnited States Air ForceEntityProject EchoEntityCourier 1BEntityMissile Defense Alarm SystemEntityHonoluluEntityInternational Standard Book NumberEntityPearl HarborEntityOahuEntityorbital periodEntityOCLC, Inc.EntityapsisEntityGeneral ElectricCompanylow Earth orbitEntityorbital inclinationEntityUnited States Department of DefenseConceptKodiak IslandEntityorbital eccentricityEntityepochEntityLockheed U-2EntityCategoriesSpacecraft launched in 1960Spacecraft which reentered in 1960