The United Launch Alliance Atlas 5 rocket, standing 191 feet tall and and weighing 745,000 pounds, generates 860,000 pounds of thrust from its main engine to launch NASA’s Tracking and Data Relay Satellite-M.

The U.S. Navy has declared the primary orbit-raising system aboard its new MUOS No. 5 communications satellite failed, leaving controllers scrambling to design a rescue plan.

Launching the Wideband Global SATCOM 9 satellite purchased by allied nations in collaboration with the U.S. military’s worldwide communications network, a United Launch Alliance Delta 4 rocket thundered away from Cape Canaveral at 8:18 p.m. EDT (0018 GMT).