Photos: Delta 4 lights up the sky for night owl launch

Check out imagery from Friday’s liftoff of a previously-flown Falcon 9 rocket booster with the BulgariaSat 1 communications satellite from Florida’s Space Coast.

Bill Gerstenmaier, former director of spaceflight at NASA Headquarters and a widely respected aerospace engineer and manager, has taken a consulting position at SpaceX, the California rocket company NASA helped save in 2008 with the award of a $1.6 billion contract to build and launch space station cargo ships.

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.