The 1st Battalion, 145th Field Artillery of the Utah National Guard, "Big Red," arrived home Tuesday after ten months in the Middle East.

Three American service members and a U.S. contractor were killed when their convoy hit a roadside bomb on Monday near the main U.S. base in Afghanistan, the U.S. forces said. The Taliban claimed responsibility for the attack.

"This unprecedented step, led by the Department of State, recognizes the reality that Iran is not only a State Sponsor of Terrorism, but that the IRGC actively participates in, finances, and promotes terrorism as a tool of statecraft," Trump said in a statement that described the IRGC as "the Iranian government's primary means of directing and implementing its global terrorist campaign."

The Pentagon calls Hill Air Force Base most at risk for negative impacts from climate change among 79 vital military installations in the United States.

It was the final farewell for a Utah pilot who died during World War II.  After being lost for more than 70 years, his remains were finally laid to rest.

When Andrew Olson, a teacher, a coach, and a soldier at Northridge High School, came back to his classroom, his students' reactions went viral.

U.S. Sen. Martha McSally, the first female Air Force fighter pilot to fly in combat, said she was sexually assaulted by a superior officer and later, when she tried to talk about it to military officials, she "felt like the system was raping me all over again."

North Korea is restoring facilities at a long-range rocket launch site that it dismantled last year as part of disarmament steps, according to foreign experts and a South Korean lawmaker who was briefed by Seoul's spy service.

Could the new physical demands drive soldiers out of the Guard? "It's a concern," said Army National Guard Lt. Col. Brian Dean.

U.S. and Royal Air Force planes roared over the English city of Sheffield on Friday to honor 10 American airmen who sacrificed their lives to save British children playing in a park beneath their crippled bomber during World War II.