Secret US Space Plane Breaks Another Record By Spending 716 Days In Orbit
OTV-5 is carrying out a classified mission in low-Earth orbit most likely testing new technologies that could be used...
Tag: orbital test vehicle
Secret US Space Plane Completes Record 2 Year Flight And Returns To Earth
US Air Force's X-37B space plane just landed at the Kennedy Space Center in Florida on May 7, after setting a new...
