Chief Utilitiesman Michael Gibson, assigned to Naval Mobile Construction Battalion (NMCB) 133, shoots a heading with a magnetic

101104-N-8816D-002
CAMP SHELBY, Miss. (Nov. 4, 2010) Chief Utilitiesman Michael Gibson, assigned to Naval Mobile Construction Battalion (NMCB) 133, shoots a heading with a magnetic compass during a training patrol. NMCB 133 is conducting a khaki field training exercise to train and evaluate the battalion's leaders. (U.S. Navy photo by Chief Mass Communication Specialist Ryan C. Delcore/Released)

101104-N-8816D-002
 CAMP SHELBY, Miss. (Nov. 4, 2010) Chief Utilitiesman Michael Gibson, assigned to Naval Mobile Construction Battalion (NMCB) 133, shoots a heading with a magnetic compass during a training patrol. NMCB 133 is conducting a khaki field training exercise to train and evaluate the battalion's leaders. (U.S. Navy photo by Chief Mass Communication Specialist Ryan C. Delcore/Released)