Boeing Co. and Lockheed Martin Corp.’s Vulcan rocket has been certified to launch national security satellites for the US Department of Defense, making it the second company along with Elon Musk’s SpaceX allowed to handle such flights.

The U.S. Space Force said on Wednesday it has cleared Boeing and Lockheed Martin's Vulcan rocket to launch national security satellites for the United States.

The U.S. Space Force has certified ULA's new Vulcan Centaur rocket to launch national security missions, doubling the number of providers for such flights.