Army Grounds All Helicopters After Collision Kills 3 in Alaska

Two U.S. Army helicopters collided in Alaska during a training flight, leaving three soldiers dead and one injured.
The incident involved two AH-64 Apache helicopters, each carrying two people.
The cause of the crash is under investigation.
The helicopters were part of the 1st Attack Reconnaissance Battalion, 25th Aviation Regiment at Fort Wainwright.
This is the second military helicopter accident in Alaska this year.