Aleksandr SerebrovStatus: Deceased 2/15/1944 – 11/12/2013 Nationality: Russian Type: Government First Flight: 8/19/1982 Last Flight: 7/1/1993Aleksandr Aleksandrovich Serebrov (Russian: Алекса́ндр Алекса́ндрович Серебро́в, February 15, 1944 – November 12, 2013) was a Soviet cosmonaut. He graduated from Moscow Institute of Physics and Technology (1967), and was selected as a cosmonaut on December 1, 1978. He retired on May 10, 1995. He flew on Soyuz T-7, Soyuz T-8, Soyuz TM-8 and Soyuz TM-17. He was one of very few cosmonauts to fly for both the Soviet Union and the Russian Federation that followed it. He held the record for most spacewalks, 10, until Anatoly Solovyev surpassed it. In all, Serebrov spent 371.95 days in space. Serebrov contributed to the design of Salyut 6, Salyut 7, and the Mir space stations.LaunchesSoyuz-U | Soyuz T-7Soyuz-U | Soyuz T-8Soyuz-U2 | Soyuz TM-8Soyuz-U2 | Soyuz TM-17Russian Federal Space Agency (ROSCOSMOS)Type: Government Abbreviation: RFSA Administration: Administrator: Dmitry Rogozin Founded: 1992 Launchers: Soyuz Spacecraft: Soyuz Country: RUSThe Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.