The primary goal of the satellites was to replace the U-2 spyplane in surveilling the Sino-Soviet Bloc, determining the disposition and speed of production of Soviet missiles and long-range bombers assess.
The KH-1 payload included the C (for Corona) single, vertical-looking, panoramic camera that scanned back and forth, exposing its film at a right angle to the line of flight.
The SRV was equipped with an onboard small solid-fuel retro motor to deorbit at the end of the mission.
[1]: 56 The SRV separated from its satellite bus the day after launch[6] and deorbited for recovery over the Pacific but was not recovered.
[1]: 245 CORONA was declassified in 1995,[1]: 14 and a formal acknowledgement of the existence of US reconnaissance programs, past and present, was issued in September 1996.