The North American X-15 is a hypersonic rocket-powered aircraft which was operated by the United States Air Force and the National Aeronautics and Space Administration (NASA) as …

Feb 28, 2014 · The X-15 was a follow-on research aircraft to the early X-planes, which had explored the flight regime from just below the speed of sound (Mach 1) to Mach 3.2. In 1952 …

On Sept. 17, at the controls of X-15-2, Crossfield completed the first powered flight of an X-15. Firing all eight of the XLR-11 engines for 224 seconds, he reached a speed of Mach 2.11, or …

The Boeing XB-15 (Boeing 294) was a United States bomber aircraft designed in 1934 as a test for the United States Army Air Corps (USAAC) to see if it would be possible to build a heavy …

Oct 13, 2023 · On Oct. 15, 1958, the first X-15 hypersonic rocket-powered aircraft rolled out of its factory. A joint project among NASA, the U.S. Air Force, and the U.S. Navy, the X-15 greatly …

Three X-15 spaceplanes performed 199 free flights. The flights of the North American X-15, an experimental American spaceplane built by North American Aviation and operated by the …

The X-15 was an important tool for developing spaceflight in the 1960s, and pilots flying above 50 miles altitude in the X-15 earned astronaut wings. Three X-15s were built, and they made 199 …

The X-15 that hangs in the Smithsonian Institution's National Air Space Museum is the first of three built by North American Aviation.

The X-15 was air launched from a B-52 aircraft at 45,000 feet and at a speed of about 500 mph. After dropping from the B-52, the rocket engine provided thrust for the first 80 to 120 seconds …

Oct 22, 2010 · The X-15 was created to explore hypersonic (generally defined as five times the speed of sound) aerodynamic performance, research structural behavior during high …