U.S. Air Force launched a second experimental space plane X-37B

Air Force (Air Force) United States launched a second experimental space plane, which outwardly resembles a small shuttle. Launcher Atlas 5 orbited aircraft X-37B, Having started from Cape Canaveral. First the same plane, which was launched into space last spring, spent 270 days in space, then landed in California in December 2010, the RBC with reference to the Associated Press. X-37B - orbiting unmanned aircraft developed by Boeing, which as written media, designed to test future launch technologies in orbit and descent into the atmosphere. It began as a joint project of U.S. National Aeronautics and Space Administration (NASA) and Boeing. He was later given the American Air Force. Since much of the program objectives and a series of aircraft X-37B is kept secret.