A Coast Guard HH-65 Dolphin pulls a rescue swimmer from the water during a demonstration Aug. 4, 2014, at U.S.C.G. Sector Charleston, S.C. The demonstration showed the Coast Guard’s rescue capabilities during the Coast Guard’s 224th birthday celebration. (U.S. Air Force photo/Senior Airman George Goslin)

Members of the Coast Guard play basketball during the Coast Guard birthday celebration Aug. 4, 2014, at U.S.C.G. Sector Charleston, S.C. Members of the Coast Guard and their families celebrated the 224th birthday of the Coast Guard, the United States’ oldest continuous sea-going service. (U.S. Air Force photo/Senior Airman George Goslin)

Active-duty Coast Guard, reservists and their families, celebrate the 224th birthday of the service Aug. 4, 2014, at U.S.C.G. Sector Charleston, S.C. The celebration had a cook-out, games and raffle prizes. (U.S. Air Force photo/Senior Airman George Goslin)

Capt. Timothy Sparks, Joint Base Charleston deputy commander, enjoys a birthday meal food during the Coast Guard birthday celebration Aug. 4, 2014, at U.S.C.G. Sector Charleston, S.C. The celebration included a cook-out, games and raffle prizes. (U.S. Air Force photo/Senior Airman George Goslin)

Volunteers cook burgers for the Coast Guard birthday celebration Aug. 4, 2014, at U.S.C.G. Sector Charleston, S.C. The celebration included a cook-out, games and raffle prizes. (U.S. Air Force photo/Senior Airman George Goslin)

Rachel Gentry, U.S.C.G. Sector Charleston Ombudsman, cuts a birthday cake during the Coast Guard birthday celebration Aug. 4, 2014, at U.S.C.G. Sector Charleston, S.C. Members of the Coast Guard and their families celebrated the 224th birthday of the Coast Guard, the United States’ oldest continuous sea-going service.. (U.S. Air Force photo/Senior Airman George Goslin)