Stratolaunch will work with the Military Defense Agency to test systems designed to take out hypersonic weapons.

Stratolaunch will launch its Talon-A hypersonic testbed globally using Spirit of Mojave, a modified 747, under a $24.7M MDA ...

But we'll be back tomorrow with more updates on the war in Ukraine. Here are the key lines from today: Outgoing US defence secretary Lloyd Austin announced a $500m (£407m) aid package for Ukraine ...