STEP-1Rocket launchby Northrop GrummanUSALaunch time27 Jun 199421:15 UTCfailureOrbit: LEOLoss of vehicle control 35s into flight, flight terminated.MissionRocketPayloadsRocket PegasusXLlaunched from Vandenberg AFBUSAPayloadsNamePurposeMassCommentSTEP-1 (Space Test Experiments Platform/Mission 1)---