US Air Force’s Mysterious Boeing X-37B Spaceplane Has Spent Nearly 2-Years in Orbit – TechEBlog
The U.S. Air Force’s Boeing X-37B spaceplane just broke its spaceflight-duration record by spending 718-days in orbit as of.
The U.S. Air Force’s Boeing X-37B spaceplane just broke its spaceflight-duration record by spending 718-days in orbit as of.