The American Military Dead for this week:

Capt. William W. Jacobsen Jr., 31, of Charlotte, N.C. Jacobsen was assigned to the 1st Battalion, 24th Infantry Regiment, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash.

Sgt. Maj. Robert D. O'Dell, 38, of Manassas, Va. O'Dell was assigned to the United States Army Intelligence & Security Command, Fort Belvoir, Va.

Sgt. 1st Class Paul D. Karpowich, 30, of Bridgeport, Pa. Karpowich was assigned to the Army Reserve's 2nd Battalion, 390th Infantry Regiment, Webster, N.Y.

Staff Sgt. Julian S. Melo, 47, of Brooklyn, N.Y. Melo was assigned to the 1st Battalion, 5th Infantry Regiment, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash.

Staff Sgt. Darren D. VanKomen, 33, of Bluefield, W.Va. VanKomen was assigned to the 2nd Squadron, 14th Cavalry Regiment, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash.

Staff Sgt. Robert S. Johnson, 23, of Castro Valley, Calif. Johnson was assigned to the 1st Battalion, 24th Infantry Regiment, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash.

Sgt. Lynn R. Poulin Sr., 47, of Freedom, Maine. Poulin was assigned to the Army National Guard's 133rd Engineer Battalion, Belfast, Maine.

Spc. Jonathan Castro, 21, of Corona, Calif. Castro was assigned to the 73rd Engineer Company, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash.

Spc. Thomas J. Dostie, 20, of Sommerville, Maine. Dostie was assigned to the Army National Guard's 133rd Engineer Battalion, Portland, Maine.

Spc. Cory M. Hewitt, 26, of Stewart, Tenn. Hewitt was assigned to the 705th Ordnance Company, Fort Polk, La.

Spc. Nicholas C. Mason, 20, of King George, Va. Mason was assigned to the Army National Guard's 276th Engineer Battalion, West Point, Va.

Spc. David A. Ruhren, 20, of Stafford, Va. Ruhren was assigned to the Army National Guard's 276th Engineer Battalion, West Point, Va.

Pfc. Lionel Ayro, 22, of Jeanerette, La. Ayro was assigned to the 73rd Engineer Company, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash.

1st Lt. Christopher W. Barnett, 32, of Baton Rouge, La., died Dec. 23 in Baghdad, Iraq. Barnett was assigned to the Army National Guard's 1st Battalion, 156th Armor Regiment, 256th Brigade Combat Team, Shreveport, La

Chief Joel Egan Baldwin, 37, of Arlington, Va., died in Mosul, Iraq on Dec. 21, when the dining facility was attacked.

Lance Cpl. Eric Hillenburg, 21, of Marion, Ind.

Lance Cpl. James R. Phillips, 21, of Hillsboro, Fla.

Cpl. Raleigh C. Smith, 21, of Lincoln, Mont

Staff Sgt. Todd D. Olson, 36, from Loyal, Wis., died Dec. 27 in the 67th Combat Support Hospital in Tikrit, Iraq from wounds sustained in Samarra, Iraq on Dec. 26. Olson was assigned to the National Guard’s 1st Battalion, 128th Infantry Regiment, Neillsville, Wis

Spc. Jose A. Rivera-Serrano, 26, from Mayaquez, Puerto Rico, died Dec. 27 in Baghdad, Iraq, from wounds sustained when an improvised explosive device hit his vehicle. Rivera-Serrano was assigned to the 2d Battalion, 5th Cavalry Regiment, Fort Hood, Texas.

Staff Sgt. Jason A. Lehto, 31, of Mount Clemens, Mich., died Dec. 28 in a non-hostile incident in Al Anbar Province, Iraq. Lehto was assigned to Marine Forces Reserve’s Marine Wing Support Group 47, 4th Marine Aircraft Wing, Mt. Clemens, Mich

Navy Seaman Pablito Pena Briones, Jr., 22, of Anaheim, Calf., died Dec. 28 of a non-hostile gun shot wound in Fallujah, Iraq. Briones was assigned to 1st Marine Division Detachment, Naval Medical Center San Diego.

Staff Sgt. Nathaniel J. Nyren, 31, from Reston, Va., died in Baghdad, Iraq on Dec. 28, when a civilian vehicle struck his military vehicle. Nyren was assigned to the Army’s 1st Battalion, 8th Cavalry Regiment, 1st Cavalry Division in Fort Hood, Texas.

Pfc. Oscar Sanchez, 19, from Modesto, Calif., died Dec. 29 in Mosul, Iraq, when a vehicle-borne improvised explosive device struck his observation post. Sanchez was assigned to 1st Battalion, 24th Infantry Regiment, 1st Brigade, 25th Infantry Division (Stryker Brigade Combat Team), Fort Lewis, Wash