COSMOS 1507 (also known as Kosmos-1507) is an ocean surveillance satellite launched on October 29, 1983, from the Tsymlyanskaya launch site using a Tsiklon-2 launch vehicle. The spacecraft has a cylindrical shape with two panels and measures 10 meters in length and 1.3 meters in diameter, with a span of 17 meters. It was manufactured by ARSL/KOMET for VMF (Russian Navy) and is equipped with US-PM1 No. 127 payload for passive ocean surveillance. The satellite has a dry mass of 3000 kg and a launch mass of 3300 kg, powered by two deployable fixed solar arrays and batteries. Its radar cross-section (RCS) is 40.4 square meters.