The KF-X has cleared its critical design review. A radar technology demonstrator has flown.

There have been no images or statements released, but growing evidence points to the existence of the stealthy RQ-180 and its use in regular front-line service.

Successfully run at Mach 5 temperatures, validating for the first time the capability of the novel heat exchanger design to operate at hypersonic flight conditions for atmospheric and space access applications.

Four contenders are each offering different configurations for the U.S. Army’s Future Attack Reconnaissance Aircraft program. A fifth remains under wraps.

Off-the-shelf contenders emerge as rivals to a nearly decade-old centerline engine development program for the Army’s high-speed replacement for the UH-60.