Army Chief Warrant Officer Jonathan Farmer, 37, of Boynton Beach, Florida; Navy Chief Cryptologic Technician Shannon Kent, 35, identified as being from upstate New York, and Scott Wirtz, a civilian Department of Defense employee from St. Louis, died during the Wednesday attack in Manbij, Syria, the Department of Defense said in a statement.
The Pentagon did not identify the fourth person killed, a contractor working for a private company.