The US Air Force's secret weapon has just returned to Earth after 434 days
the us air force has just announced the successful completion of mission 7 of the x-37b unmanned space plane.
Tags : x-37b
11 fighters will change the world military position in the near future
in the next few years, advanced drone and fighter equipment with advanced technology is not limited to the us and european countries, but also to russia, china and iran. here are