The launch of Roscosmos Molniya-M took place on 5 Jun 1975, launching the Molniya-1K 30 (Molniya-1K 37L), SRET 2 (MAS 2) mission. The launch site was Plesetsk, Arkhangelsk Oblast, Russia. The payload was deployed in a HEO orbit at an altitude of 20250.