No one left behind

Updated 1:24 PM ET, Wed January 25, 2012
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Gunnery Sgt. Bryon Bebout with the wreckage of a B-24 Liberator during excavation operations in Papua New Guinea. The JPAC recovery team were searching for nine Americans that remain unaccounted-for from World War II. JPAC/DoD
In Germany last year, the Joint POW/MIA Accounting Command (JPAC)was working to find two missing service members from a World War II aircraft crash. JPAC
Dr. Josh Peck, forensic anthropologist, takes down the wall of a grid at a recovery site in Vietnam. Five recovery teams are searching in Thai Nguyen, Bac Giang, Lang Son, Son La, and Thanh Hoa provinces at aircraft crash and burial sites for six Americans unaccounted-for from the Vietnam War. JPAC
Dr. Alec Christensen, recovery team leader, at a recovery mission in Laos searching for 11 Americans that remain unaccounted-for from the Vietnam War. JPAC's mission is to achieve the fullest possible accounting of all Americans missing as a result of the nation's past conflicts. JPAC
A U.S. military detail from JPAC honors the sacrifice made by Americans during a repatriation ceremony at Da Nang International Airport, Vietnam, before the body is flown home. JPAC
In Hawaii - JPAC's home -- military personnel salute the unidentified remains of a fallen American service member returning to U.S. soil. Arrival ceremonies are held to honor the sacrifices made by the individuals whose remains were recovered during JPAC recovery missions. JPAC
Forensic Science Academy Director Dr. Robert Mann tests technology that compares a photo with a skull to see if it can accurately identify the remains of U.S. service personnel. CNN
Partial skeletons and bone fragments fill tables at JPAC's home in Hickam Air Force Base which was also the site of the Pearl Harbor attack. JPAC
At the JPAC laboratory, the team works with cutting edge technology to try to put a name to the remains of receovered bodies. JPAC
JPAC team members on a U.S. Air Force C-17 aircraft enroute to a recovery operation in Vietnam. They travel the world looking for the remains of service personnel killed in U.S. military action. JPAC
U.S. Army Staff Sgt. Nicole McMinniman, left, screens dirt with the help of local workers during recovery operations in the Savannakhet province, Laos. JPAC
Sean Tallman, a Navy civilian and anthropologist from JPAC, examines items found beneath a boulder at a recovery site in Quang Nam Province, Vietnam. JPAC
Vietnamese workers use a zip line to move dirt from a dig site to a screening area in the Thua Thien-Hue province, Vietnam. JPAC