Photos: Atlas 5 rolls out for Friday launch to GPS constellation

The United Launch Alliance Atlas 5 rocket, standing 194 feet tall and and weighing a million pounds, unleashes 1.6 million pounds of thrust from its main engine and two side-mounted solid boosters to launch the secret NROL-52 payload for the U.S. National Reconnaissance Office from Cape Canaveral.

Watch the briefing to learn what is aboard the Orbital ATK Cygnus OA-6 resupply freighter launching to the International Space Station on March 22 aboard a United Launch Alliance Atlas-5 rocket.

The UK government and India’s Bharti Global mobile telecom operator announced Friday they placed the winning bid to purchase OneWeb, which filed for bankruptcy in March while in the early stages of deploying a megaconstellation of broadband satellites.