Snapshots from Atlas 5 launch

Lockheed Martin, the largest U.S. defense contractor, announced late Sunday that it has reached a deal valued at $4.4 billion to acquire Aerojet Rocketdyne, a supplier of engines to NASA’s Space Launch System moon rocket and United Launch Alliance’s Atlas, Delta, and Vulcan rockets.

NASA Administrator Charlie Bolden speaks to Spaceflight Now’s Stephen Clark about the upcoming test flight of the Orion space capsule on the EFT-1 mission.

A collection of pad photos from the United Launch Alliance Atlas 5 rocket flight carrying the NROL-55 cargo for the National Reconnaissance Office.