Atlas 5 • TDRS M
Launch window: 1302-1342 GMT (9:02-9:42 a.m. EDT)
Launch site: SLC-41, Cape Canaveral Air Force Station, Florida
A United Launch Alliance Atlas 5 rocket, designated AV-074, will launch the TDRS M communications and data relay satellite for NASA. The Tracking and Data Relay Satellite System (TDRSS) connects mission control with the International Space Station and other orbiting satellites. The rocket will fly in the 401 vehicle configuration with a four-meter fairing, no solid rocket boosters and a single-engine Centaur upper stage. Moved forward from Aug. 4.