"Two U.S. service members were killed by enemy forces while advising and accompanying Iraqi Security Forces during a mission to eliminate an ISIS terrorist stronghold in a mountainous area of north central Iraq, March 8. The names of the service members are withheld pending next of kin notification, in accordance with U.S. Department of Defense policy," said Combined Joint Task Force — Operation Inherent Resolve in a statement.

Around 5,200 U.S. troops are currently in Iraq to allegedly assist Iraqi security forces as they fight ISIS.

ILKHA