Trump says 5,000 U.S. troops will head for Poland, a week after the White House said a planned deployment of 4,000 was being nixed.

General Mark Rutte is downplaying the impact of the Trump administration's decision to reduce military support for allies.

NATO has been able to "sit back" and engage threats with missiles and jets, but "those days are over," a top commander said.

NATO's training and assistance command for Ukraine has put more than 59,000 Ukrainian personnel through coordinated ...