NASA's Sustainable Flight Demonstrator (SFD) project recently concluded wind tunnel tests of its X-66 semi-span model in ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

The Gravehawk air defense system was specifically developed by the United Kingdom for Ukraine. Two units have already been delivered, and 15 more will be delivered in 2025 British Prime Minister Keir ...