Trump said on Thursday he's "not so sure" NATO allies would come to America's defense, despite its Article 5 being invoked ...

Germany built 329 U-boats of different types, which Imperial Germany and its allies used throughout WWI. More than half were lost to various enemy actions and engagements, and few parts of any U ...

Allied heavy artillery in action on top of a cliff at Helles, Gallipoli, WW1. British and French ships were unable to break through Ottoman defences, so a land invasion was begun to destroy these ...

Ukrainian President Volodymyr Zelenskyy was surrounded by allies on Monday as he marked three years since Russian President Vladimir Putin's forces invaded his country. There was one notable ...

President Donald Trump on Thursday questioned if NATO allies would come to the aid of the United States in the event of an attack. “Do you think they’re going to come and protect us?