“Knot” and “nautical mile” are adopted by the Army Air Forces and the Navy as standard aeronautical units of speed and distance.
The Air Force conducted its first successful test of the Air-launched Rapid Response Weapon, or ARRW, on May 14, snapping a streak of three consecutive failed tests and giving the beleaguered hypersonics program a much needed boost. Off the coast of Southern California, the AGM-183A ARRW separated from the wing…