Lieutenant Col. John C. Osborne, right, commanding officer, 2nd Combat Engineer Battalion, and 1st Sgt. Paul T. Costa, battalion sergeant major, 2nd CEB, salute the battlefield crosses during a memorial ceremony aboard Camp Leatherneck, Afghanistan, July 8, 2014, to pay their respect to three Marine heroes. Three battlefield crosses stand in honor of Staff Sgt. David H. Stewart, a combat engineer, platoon sergeant and native of Stafford, Virginia; Cpl. Brandon J. Garabrant, a combat engineer and native of Peterborough, New Hampshire; and Cpl. Adam F. Wolff, a combat engineer and native of Cedar Rapids, Iowa, all Marines serving with 3rd Platoon, Route Clearance Company, 2nd CEB, who gave the ultimate sacrifice while conducting combat operations in Helmand province, Afghanistan, June 20, 2014.