Petty Officer 3rd Class Charles Corcoran, a damage controlman stationed with Port Security Unit 309 in Port Clinton, Ohio, works closely with a young visitor on the finer points of the M60 machine gun, Aug. 2, 2016, during the Grand Haven Coast Guard Festival Kids Day at Mulligans Hollow Park in Grand Haven, Michigan. Corcoran and other members from PSU 309 displayed many aspects of their jobs as members of a readily deployable force. (U.S. Coast Guard photo by Petty Officer 2nd Class Christopher M. Yaw)