Marine Corps Air Ground Combat Center Twentynine Palms -- Marines with 3rd Combat Engineer Battalion, stationed here, march off after placing helmets on the battlefield crosses of four Marines with the battalion who were killed in action during the unit's last deployment in support of Operation Enduring Freedom in 2010.

The fallen Mariners honored are...

• Staff Sgt. Michael Bock, an assault breacher vehicle commander and native of Leesburg, Fla.

• Sgt. Jesse Balthaser, a squad leader from Columbus

• Ohio, Cpl. Paul Miller, a fire team leader both from Michigan

• Cpl. Jeffrey Standfest, dog handler both from Michigan

The ceremony took place at the Combat Center's Lance Cpl. Torrey L. Gray Field Jan. 12, 2011.

Photo by USMC Cpl. M. C. Nerl