Atlas V Rolls to Pad for Launch, as Delta IV Heavy Receives Secretive NROL-44 Payload

@NASAPersevere rolls to the pad atop Mighty Atlas, as Majestic Delta receives its NROL-44 payload. […]

Perseverance Wraps Up LRR, On Track for Thursday Launch

Launch teams declared @ULALaunch Mighty Atlas, @NASAPersevere & ground assets ready to support Thursday’s launch to Mars. […]

Ready for Mars: Perseverance Counts Down to Thursday Launch (Part 2)

@NASAPersevere is 4 days out from launch atop @ULALaunch Mighty Atlas. Next stop: Mars. […]

Ready for Mars: Perseverance Counts Down to Thursday Launch (Part 1)

@NASAPersevere launches atop an @ULALaunch #AtlasV booster on Thursday, bound for the geologically rich Jezero Crater on Mars. […]