World: Acquisition

Nov. 3, 2022
What the B-52 will look like after engine upgrade; B-21 roll out set for Dec. 2.
A recent test flight of the Lockheed Martin HAWC air-breathing hypersonic missile set a record for scramjet propulsion at hypersonic speeds, achieving about 327 seconds of combustion, versus 200 seconds in a 2010 test of the Boeing X-51 Waverider.
The Space Force’s second-in-command told Air Force Academy cadets attending a leadership conference that the U.S. will need machines to make decisions that kill—and that confronting the inherent ethical dilemmas “can’t wait.” The weapons' inevitability comes down to “the speed of war—how quickly things are ...