Joe Griffin, a senior archeologist with the Army Corps of Engineers and recovery leader augmentee for the Defense POW/MIA Accounting Agency (DPAA) place rebar in the ground to create a site DATUM in the Xiangkhoang Province, Lao People’s Democratic Republic, March 31, 2016. Members of DPAA deployed to the area in hopes of recovering the remains of a pilot unaccounted for during the Vietnam War era. The mission of DPAA is to provide the fullest possible accounting for our missing personnel to their families and the nation. (DoD photo by Staff Sgt. Jocelyn Ford, USAF/RELEASED)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: datum, excavation, hammer