“The Jaws of Death.” A photo by CPHOM Robert F. Sargent, USCG. A Coast Guard-manned LCVP from the U.S.S. Samuel Chase disembarks troops of Company E, 16th Infantry, 1st Infantry Division on the morning of 6 June 1944 at Omaha Beach. Coast Guard Photo #2343.
Great stories here and here about these Coast Guard heroes.