Clockwise from left: SpaceX's Falcon Heavy, ULA's Vulcan Centaur, Northrop Grumman's OmegA and Blue Origin's New Glenn rockets are all in the running to compete for a block of launch contracts the U.S. Air Force intends to divide between two providers during phase 2 of the Launch Service Agreements (LSA) program. Credit: SpaceX / ULA / Northrop Grumman / Blue Origin
An artist's concept of Orbital ATK's OmegA rocket in flight.
The U.S. Air Force selected ULA, Blue Origin and Northrop Grumman Innovation Systems to receive hundreds of millions of dollars apiece to develop new launch vehicles for launching national security payloads Credit: SpaceNews graphic
Northrop Grumman Completes First Live Motor Cast for OmegA Rocket_1
OmegA, the rocket formerly known as Next Generation Launch system, is Orbital ATK's answer to intermediate and heavy-lift launchers in the works at ULA, SpaceX and Blue Origin. Credit: Orbital ATK