The U.S. military said it hit more than 13,000 targets in its 38-day war with Iran, before the leaders of both countries announced a ceasefire on April 7, hours after President Donald Trump threatened that Iran's "whole civilization will die tonight."

Even as a two-week ceasefire takes hold, mothers in multigenerational military families — some veterans themselves — are anxious about what the war in Iran could mean for their children, as they face the uncertainty of another conflict in the Middle East.

Defense Secretary Pete Hegseth on Thursday fired the US Army chief of staff and two other generals as the Iran war continues.

From intelligence to research and grant applications, artificial intelligence is playing a bigger role in government and military operations.

Defense Secretary Pete Hegseth has ousted the Army’s top uniformed officer and two other generals as the U.S. wages a war against Iran.

The United States ended its military draft in 1973 as the Vietnam War was winding down. Will the war in Iran, in which the Pentagon is preparing to deploy ground troops, revive it? It appears unlikely at the moment. Bringing back the draft is “not part ...

Business Insider got exclusive access to see how the US Army's Germany-based 2nd Cavalry Regiment is training for a possible war with Russia.

The forced departure of Randy George in the middle of a war created yet another blow to morale inside the Pentagon, where officials expressed dismay over the state of the department's leadership.

The US Army this month introduced its first new lethal hand grenade since the Vietnam War, a plastic weapon that uses shock waves rather than shrapnel to kill enemies.

President Donald Trump said U.S. forces will keep hitting Iran “very hard” in the next two or three weeks and bring the country “back to the Stone Ages,” even as he touted the success of U.S.