Kosmos 2421Rocket launchby RussiaLaunch time25 Jun 200604:00 UTCsuccessOrbit: LEOFinal flight of the Tsyklon-2.MissionRocketPayloadsRocket Tsyklon2launched from Baikonur Cosmodrome, Pad 90/20KazakhstanPayloadsNamePurposeMassCommentKosmos 2421 (US-PM)Ocean surveillance--