USA-253/254/255Rocket launchby USALaunch time28 Jul 201423:28 UTCsuccessSerial number: Delta 368Space surveillance / Technology demonstration.MissionRocketPayloadsRocket DeltaIV M+launched from Cape Canaveral, SLC-37BUSAPayloadsClassifiedNamePurposeMassCommentUSA-253/254/255 (AFSPC-4 (GSSAP #1/#2/ANGELS))---