Across Europe, nations have signaled a desire to dig, wire, and network their frontiers. From the Baltic Defense Line and the European Union’s proposed “drone wall” to Finland’s pilot barriers and ...

KRAMATORSK, Ukraine—A line of antitank ditches and barbed wire cuts through the sunflower fields all the way to the horizon here in Ukraine’s battle-scarred east, fortifications the country bets it ...

I know. During my career in both the British and Australian Army, I operated in, and prepared others to serve in, places ...

Russian troops achieved one of the biggest breakthroughs of the war in eastern Ukraine, with some units making it through Kyiv’s primary defensive line just days ahead of President Donald Trump’s ...

NTSB censored images of the unresponsive pilot and pilot-rated passenger of a TBM 700 intercepted over the Caribbean Sea in 2014. Credit: NTSB/USAF Air National Guard On the afternoon of June 4, 2023, ...