Q&A with Tory Bruno, president and chief executive of ULA

Watch the pre-launch news conference held Monday, April 17 at NASA’s Kennedy Space Center to preview liftoff of the Orbital ATK commercial Cygnus OA-7 cargo ship aboard a United Launch Alliance Atlas 5 rocket for the International Space Station.

The United Launch Alliance Delta 4 Medium+ (5,4) rocket lifted off Wednesday at 6:53 p.m. EST (2353 GMT) from Cape Canaveral to deploy the latest craft for the U.S. military’s Wideband Global SATCOM communications satellite constellation.

The Air Force will launch a second pair of small security probes 22,300 miles above the Earth using a Delta 4 rocket on Friday to alert ground controllers of impending space collisions and monitor potential meddling with U.S. orbiting assets.