MUOS-1 Satellite Launched on Atlas 5 Rocket

Credit: Pat Corkery, United Launch Alliance

A United Launch Alliance Atlas 5 rocket blasts off from Space Launch Complex-41 at Florida's Cape Canaveral Air Force Station on Feb. 24, 2012, with the U.S. Navy’s Mobile User Objective System-1 (MUOS-1) satellite.

At nearly 15,000 pounds, MUOS-1 marks the heaviest satellite launched to date by an Atlas launch vehicle.