KH-8 29 (Gambit-3 29)

The KH-8, or Gambit-3, was a second-generation high-resolution reconnaissance satellite featuring an upgraded KH-8 Block 2 version with two reentry vehicles. It comprised a photographic payload section, satellite control section, and booster vehicle, housing advanced camera systems capable of capturing images with ground resolutions as fine as 0.1 meters. Additionally, the Astro-Position Terrain Camera (APTC) included cameras for terrain and stellar observation, aiding in attitude determination and navigation.