STEP-3Rocket launchby Northrop GrummanUSALaunch time22 Jun 199519:58 UTCfailureOrbit: LEODestroyed during second-stage flight.MissionRocketPayloadsRocket PegasusXLlaunched from Vandenberg AFBUSAPayloadsNamePurposeMassCommentSTEP-3 (Space Test Experiments Platform/Mission 3)---