The Northrop/McDonnell Douglas YF-23A Advanced Tactical Fighter prototype is rolled out in ceremonies at the ATF Combined Test Force Facility at Edwards AFB, Calif. It is powered by two Pratt & Whitney YF119-PW-100 engines.
The Pentagon agency charged with building and operating U.S. spy satellites recently declassified some details about a Cold War-era surveillance program called Jumpseat—a revelation it says sheds light on the importance of satellite imaging technology and how it has advanced in the decades since.


