(C) Oakley, John L., U.S. Marine Corps - Vietnam
War
(S) Oakley, Thomas B., Jr., U.S. Navy - World War II
(C) Oakman, George P., U.S. Navy (Reserve) - World War II
(C) Oats, Eugene T., U.S. Navy - World War I
(C) O'Bannon, Wilcie A., U.S. Marine Corps (Reserve) - World War II
(C) O'Beirne, Emmet, U.S. Navy - World War II
(C) O'Brien, Joseph J., U.S. Marine Corps - Vietnam War
(C) O'Brien, Martin J., U.S. Marine Corps (Reserve) - World War II
(C) O'Brien, Robert C., U.S. Navy (Reserve Force) - World War I
(C) O'Brien, William F., U.S. Navy - World War I
(C) O'Connor, Cornelius J., U.S. Navy (Reserve Force) - World War I
(C) O'Connor, Martin E., U.S. Marine Corps (Reserve) - Vietnam War
(C) O'Day, Edward F., U.S. Marine Corps - 2nd Nicaraguan Campaign
(C) Odenbrett, Harvey George, U.S. Navy (Reserve) - World War II
(C) O'Donnell, Terrance William, U.S. Navy - Korean War
(C) O'Douherty, James Patrick, U.S. Navy - World War I
(S) O'Dowd, Jerome J., U.S. Navy (Reserve) - World War II
(C) Oehl, Alfred H., U.S. Navy - World War I
(S) Oehlert, Herschel Allen, Jr., U.S. Navy (Reserve) - World War II
(C) O'Flaherty, Frank Woodrow, U.S. Navy (Reserve) - World War II
(C) Ofstie, Ralph Andrew, U.S. Navy - World War II
(C) Ogden, James Wallington, U.S. Marine Corps - Korean War
(C) Ogden, William Stephen, U.S. Navy (Reserve) - World War II
(C) O'Gorman, Matthew E., U.S. Navy (Reserve Force) - World War I
(C) O'Hare, Edward Henry "Butch", U.S. Navy - World War II
(S) O'Hearn, Mathew Charles, Jr., U.S. Navy (Reserve) - World War II
(C) Ohrlein, Anthony, U.S. Coast Guard - World War I
(S) O'Kane, Richard Hetherington, U.S. Navy (First Award) - World War
II
(S) O'Kane, Richard Hetherington, U.S. Navy (Second Award) - World War
II
(S) O'Kane, Richard Hetherington, U.S. Navy (Third Award) - World War
II
(C) O'Keefe, Francis H., U.S. Navy - Squalus Rescue and Salvage
(C) O'Keefe, Jeremiah Joseph, U.S. Marine Corps (Reserve) - World War
II
(C) O'Kelley, Grover Cleveland, U.S. Marine Corps - World War I
(C) O'Kelley, John W., U.S. Navy - Vietnam War
(C) Olbert, Richard N., U.S. Marine Corps (Reserve) - World War II
(C) Old, Edward H. H., U.S. Navy - World War I
(C) Oldendorf, Jesse Barett, U.S. Navy - World War II
(C) Olds, Arthur, U.S. Marine Corps - World War I
(S) Oleson, Harold R. A., U.S. Navy - World War II
(C) Olihovik, John, U.S. Army - Korean War
(C) Oliver, James H., U.S. Navy - World War I
(C) Oliver, Llewellyn W., U.S. Army - World War I
(S) Oliver, William B., U.S. Navy - World War II
(S) Olney, Sheldon, U.S. Navy (Reserve) - World War II
(C) Olsen, Earl K., U.S. Navy - World War II
(C) Olsen, Eugene Robert, U.S. Navy (Reserve) - World War II
(C) Olsen, Eynar F., U.S. Marine Corps - World War I
(C) Olsen, Frederick A., U.S. Navy (Reserve Force) - World War I
(C) Olsen, Joseph Enoch, U.S. Marine Corps - World War I
(C) Olsen, Norman, U.S. Navy (Reserve Force) - World War I
(S) Olson, Richard J., U.S. Navy (Reserve) - World War II
(C) Olson, Robert Dale, U.S. Navy (Reserve) - World War II
(S) Olson, Robert Evans, U.S. Navy (Reserve) - World War II
(C) Oman, Charles M., U.S. Navy - World War I
(C) Oman, Joseph W., U.S. Navy - World War I
(S) Omark, Warren Roderick, U.S. Navy (Reserve) - World War II
(S) O'Neil, Guy Edward, Jr., U.S. Navy - World War II
(S) O'Neill, John B., U.S. Navy (First Award) - 2nd Nicaraguan
Campaign
(C) O'Neill, John B., U.S. Navy (Second Award) - 2nd Nicaraguan
Campaign
(S) Onorato, Jordan Paul, U.S. Navy (Reserve) - World War II
(C) Opperud, Edward, U.S. Navy - World War I
(C) O'Regan, William V., U.S. Navy - World War II
(C) Oribiletti, Bruno, U.S. Marine Corps - World War II
(C) Orlando, Samuel Gizzi, U.S. Navy - Vietnam War
(C) Orleck, Joseph, U.S. Navy - World War II
(C) Orme, George E., U.S. Marine Corps (Reserve) - World War II
(S) O'Rourke, Vincent Patrick, U.S. Navy (Reserve) (First Award) -
World War II
(S) O'Rourke, Vincent Patrick, U.S. Navy (Reserve) (Second Award) -
World War II
(C) Orsulak, Edmond T., U.S. Marine Corps - Korean War
(S) Orth, John, U.S. Navy (Reserve) - World War II
(C) Ortiz, Pierre (Peter) J., U.S. Marine Corps (Reserve) (First
Award) - World War II
(C) Ortiz, Pierre (Peter) J., U.S. Marine Corps (Reserve) (Second
Award) - World War II
(C) Ortiz, Robert Manuel, U.S. Marine Corps - World War II
(C) Osberg, Carl August, U.S. Navy (Reserve) - World War II
(C) Osborn, James C., U.S. Coast Guard - World War I
(C) Osborn, Stanley E., U.S. Marine Corps (Reserve) - World War II
(C) O'Shea, George J., U.S. Marine Corps - 2nd Nicaraguan Campaign
(C) Osmus, Wesley Frank, U.S. Navy (Reserve) - World War II
(S) Oster, James Charles, U.S. Navy - World War II
(C) Osterhaus, Hugo, U.S. Navy - World War I
(C) Osterhaus, Hugo W., U.S. Navy - World War I
(C) Osterhouse, Harry, U.S. Navy - World War I
(C) Oswald, Robert J., Jr., U.S. Marine Corps - World War II
(C) Otis, James S., U.S. Navy (Reserve Force) - World War I
(C) O'Toole, James William, U.S. Marine Corps - Korean War
(C) O'Toole, John A., U.S. Navy (Reserve) - World War II
(C) Ott, Wilden A., U.S. Navy - World War I
(S) Otter, Bethel V., U.S. Navy - World War II
(S) Ottinger, George Malone, U.S. Navy - World War II
(C) Otto, William Herman, U.S. Marine Corps - World War I
(C) Outerbridge, William W., U.S. Navy - World War II
(S) Outlaw, Edward Cob, U.S. Navy - World War II
(S) Overall, Sidney R., U.S. Navy (Reserve) - World War II
(C) Overstreet, Luther M., U.S. Navy - World War I
(S) Overton, Edward White, Jr., U.S. Navy (Reserve) (First Award) -
World War II
(C) Overton, Edward White, Jr., U.S. Navy (Reserve) (Second Award) -
World War II
(C) Overton, John William, U.S. Marine Corps - World War I
(C) Overton, Macon C., U.S. Marine Corps - World War I
(C) Ovesen, Martin M., U.S. Coast Guard - World War I
(S) Owen, Thomas Marvin, U.S. Navy - World War II
(C) Owens, Charles T., U.S. Navy - World War I
(S) Owens, Gordon N., U.S. Navy - World War II
(C) Owens, James Charles, Jr., U.S. Navy - World War II
(C) Owens, Robert G., Jr., U.S. Marine Corps - World War II
(C) Owens, Rufus Wallace, U.S. Navy - World War I
(C) Owens, Seymour Dunlop, U.S. Navy - World War II
