MOLNIYA 1-65 (also known as Molniya-1) is a communication satellite launched by GUKOS on October 23, 1985, from the TYSMC launch site using a Molniya 8K78M launch vehicle. The spacecraft has dimensions of 4.4 meters in length and 1.4 meters in diameter with a span of 8.6 meters. It had a dry mass of 1620 kg and a launch mass of 1650 kg, and was equipped with six deployable solar arrays along with batteries for power supply. The satellite's shape consists of a cylinder with six panels and has an RCS (Reflective Coefficient Surface) area of 15.8706 square meters. It carried the Molniya-1K No. 73L payload, designed for communication purposes and had a motor KDU-414A (S5.114). The satellite was manufactured by NPOPM and was operational for about three years as part of its mission to enhance communication capabilities.