United Launch Alliance will launch the USSF-106 mission as its first flight for the U.S. Space Force using a Vulcan rocket. The vehicle will carry two satellite missions onboard.

Doug Hurley and Bob Behnken, two veteran space shuttle fliers, are gearing up to fly a privately-developed SpaceX Dragon capsule into orbit this year.  These photos chronicle their recent training.

An early bird rocket launch from the Florida spaceport will take to the skies before dawn Thursday when an Atlas 5 lofts a classified U.S. government satellite.