At Issue: The Afghanistan War
The Pentagon said 22 NAVY SEALs were killed in an overnight ambush, the worst Taliban attack in 10 years. REUTERS

The U.S. Department of Defense has officially identified the 30 service members, 22 of them part of the Navy SEALs commando unit, Team Six, who died Saturday in Afghanistan when their CH-47 Chinook helicopter was shot down by the Taliban.

It was the biggest single loss of life for American and NATO forces since the U.S.-led invasion of Afghanistan.

The sailors assigned to an East Coast Naval Special Warfare unit killed were:

Lt. Cmdr. (SEAL) Jonas B. Kelsall, 32, of Shreveport, La.

Special Warfare Operator Master Chief Petty Officer (SEAL) Louis J. Langlais, 44, of Santa Barbara, Calif.

Special Warfare Operator Senior Chief Petty Officer (SEAL) Thomas A. Ratzlaff, 34, of Green Forest, Ark.

Explosive Ordnance Disposal Technician Senior Chief Petty Officer (Expeditionary Warfare Specialist/Freefall Parachutist) Kraig M. Vickers 36, of Kokomo, Hawaii.

Special Warfare Operator Chief Petty Officer (SEAL) Brian R. Bill, 31, of Stamford, Conn.

Special Warfare Operator Chief Petty Officer (SEAL) John W. Faas, 31, of Minneapolis, Minn.

Special Warfare Operator Chief Petty Officer (SEAL) Kevin A. Houston, 35, of West Hyannisport, Mass.

Special Warfare Operator Chief Petty Officer (SEAL) Matthew D. Mason, 37, of Kansas City, Mo.

Special Warfare Operator Chief Petty Officer (SEAL) Stephen M. Mills, 35, of Fort Worth, Texas

Explosive Ordnance Disposal Technician Chief Petty Officer (Expeditionary Warfare Specialist/Freefall Parachutist/Diver) Nicholas H. Null, 30, of Washington, W.Va.

Special Warfare Operator Chief Petty Officer (SEAL) Robert J. Reeves, 32, of Shreveport, La.

Special Warfare Operator Chief Petty Officer (SEAL) Heath M. Robinson, 34, of Detroit, Mich.

Special Warfare Operator Petty Officer 1st Class (SEAL) Darrik C. Benson, 28, of Angwin, Calif.

Special Warfare Operator Petty Officer 1st Class (SEAL/Parachutist) Christopher G. Campbell, 36, of Jacksonville, N.C.

Information Systems Technician Petty Officer 1st Class (Expeditionary Warfare Specialist/Freefall Parachutist) Jared W. Day, 28, of Taylorsville, Utah

Master-at-Arms Petty Officer 1st Class (Expeditionary Warfare Specialist) John Douangdara, 26, of South Sioux City, Neb.

Cryptologist Technician (Collection) Petty Officer 1st Class (Expeditionary Warfare Specialist) Michael J. Strange, 25, of Philadelphia, Pa.

Special Warfare Operator Petty Officer 1st Class (SEAL/Enlisted Surface Warfare Specialist) Jon T. Tumilson, 35, of Rockford, Iowa

Special Warfare Operator Petty Officer 1st Class (SEAL) Aaron C. Vaughn, 30, of Stuart, Fla.

Special Warfare Operator Petty Officer 1st Class (SEAL) Jason R. Workman, 32, of Blanding, Utah.

The sailors assigned to a West Coast Naval Special Warfare unit killed were:

Special Warfare Operator Petty Officer 1st Class (SEAL) Jesse D. Pittman, 27, of Ukiah, Calif.

Special Warfare Operator Petty Officer 2nd Class (SEAL) Nicholas P. Spehar, 24, of St. Paul, Minn.

The soldiers killed were:

Chief Warrant Officer David R. Carter, 47, of Centennial, Colo. He was assigned to the 2nd Battalion, 135th Aviation Regiment (General Support Aviation Battalion), Aurora, Colo.

Chief Warrant Officer Bryan J. Nichols, 31, of Hays, Kan. He was assigned to the 7th Battalion, 158th Aviation Regiment (General Support Aviation Battalion), New Century, Kan.

Sgt. Patrick D. Hamburger, 30, of Lincoln, Neb. He was assigned to the 2nd Battalion, 135th Aviation Regiment (General Support Aviation Battalion), Grand Island, Neb.

Sgt. Alexander J. Bennett, 24, of Tacoma, Wash. He was assigned to the 7th Battalion, 158th Aviation Regiment (General Support Aviation Battalion), New Century, Kan.

Spc. Spencer C. Duncan, 21, of Olathe, Kan. He was assigned to the 7th Battalion, 158th Aviation Regiment (General Support Aviation Battalion), New Century, Kan.

The Airmen Killed Were:

Tech. Sgt. John W. Brown, 33, of Tallahassee, Fla.

Staff Sgt. Andrew W. Harvell, 26, of Long Beach, Calif.

Tech. Sgt. Daniel L. Zerbe, 28, of York, Pa.

All three airmen were assigned to the 24th Special Tactics Squadron, Pope Field, N.C.