On January 21, 2015 at 01:04 UTC the “Atlas-5” rocket-carrier was launched from Cape Canaveral launch site of US Air Force. The launch was performed by United Launch Alliance supported by the 45th Space Wing of US Air Force. The rocket orbited MUOS F3 (Mobile User Objective Systems) telecommunication satellite. The MUOS 3 spacecraft is the heaviest payload to launch atop an Atlas 5 launch vehicle. It was the 200th Atlas-Centaur launch.