Preparation For Survey Training
                Senior Master Sergeant James O'Loughlin (left) and Staff Sergeant Norman Losh set up a Trimble global positioning satellite system during survey training at Pease Air National Guard Base, New Hampshire on September 13th, 2009. They are assigned to the 157th Civil Engineering Squadron at Pease. (U.S. Air Force photo/Staff Sergeant Curtis J. Lenz)
                
                    
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