Members of the Port Security Unit 309 perform high-speed tactical boat maneuvers during a joint training exercise at MacDill Air Force Base, Fla., Feb. 26, 2015. The 309th worked with the 6th Security Forces Squadron marine patrol on various sustained force protection and port security tactics. Senior Airman Ned T. Johnston

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Members of the Port Security Unit 309 perform high-speed tactical boat maneuvers during a joint training exercise at MacDill Air Force Base, Fla., Feb. 26, 2015. The 309th worked with the 6th Security Forces Squadron marine patrol on various sustained force protection and port security tactics. Senior Airman Ned T. Johnston
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Image ID: HEAGA4