Forces
X-37B: Space Force’s secretive space plane is making its highest flight yet
X-37B after its sixth mission ZUMA Press, Inc./Alamy The US Space Force is preparing to launch its secretive X-37B space plane for the seventh time. What little information has been released suggests this will be the uncrewed space plane’s highest and longest flight yet. Over the course of its first six missions, X-37B spent a…