ππ«π In the dark years of the Cold War they put a gun in the sky. A revolver cannon. R-23M. Mounted to a station that circled the earth like a hunter in silence. It fired once and the shells burned in the black. Men made war tools for heaven itself. They are not gone. They wait. #SpaceWar https://www.thedrive.com/the-war-zone/39277/heres-our-best-look-yet-at-russias-secretive-space-cannon-the-only-gun-ever-fired-in-space