An Atlas 5 launches Boeing's CST-100 Starliner May 19. Seven future crewed launches will all be on Atlas 5, even if the vehicle is otherwise retired as ULA shifts to the Vulcan Centaur.

WASHINGTON — United Launch Alliance (ULA) is set to launch its final Atlas 5 rocket for the U.S. military on July 30. The classified payload, designated USSF-51, is scheduled to lift off at 6:45 ...