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.

Canada is once again at a crossroads in its defense planning. Despite having signed a $19 billion contract in 2023 for 88 ...

According to the Parliamentary Budget Office, the F-35 program will cost Canada an estimated $74 billion. The Lockheed Martin F-35 Lightning II in flight. Credit: Master Sgt. Donald R. Allen / ...