Naval History and Heritage Command

OAKTREE -- Forrester Island, Alaska

OATMEAL -- See ALACRITY

OATMEAL -- Labuan Island, North Borneo

OBELISK -- Coast Watcher Sighting

OBEN -- Paramaribo, Dutch Guiana

OBERON -- Davao Gulf, Mindanao, P.I.

OBESE -- Deepwater Passage, P.I.

OBLIQUE -- Tsushima Strait, Japan

OBTRUSIVE -- Aparri, P.I.

OCCIDENTAL -- St. Johns, Newfoundland

OCEANBLUE -- Kodiak, Alaska

OCELOT -- Recife, Brazil

OCTAGON -- Quebec Conference (September 1944); Roosevelt-Churchill

OCTOPUS -- Marklo Island, New Britain

OCTOPUS -- Mompog Pass, P.I.

OCTOROON -- Palau Harbor, Palau Islands

ODIOUS -- Suez, Egypt

ODOP -- Cienfuegos, Cuba

OKEMAN -- Kabasalan, P.I.

OKRA -- Townsville, Queensland, Australia

OLEANDER -- Munda Island, Solomon Islands

OLIVE -- Taivu Point, Guadalcanal, Solomon Islands

OLYMPIC -- Intended invasion of Kyushu, Japan (1945)

OLYMPUS -- Cape Padaran, French Indo China

OMAHA -- D-day Beach (France)

ONCEOVER -- Aqaba, Palestine

ONOTO -- Nararssuak, Greenland

OPIUM -- Transfer of 3rd U.S. Marine Regiment to Samoa

OPTOMETRIST -- Lula Lagoon, Choiseul Island, Solomon Islands

ORANGE -- Japan

ORANGEADE -- Moemi Airfield, New Guinea

ORATOR -- Kaibola, Lusancay Island, Trobriand Islands

ORCHID -- Tenaru Signal Tower, Guadalcanal, Solomon Islands

ORDEAL -- Okhotsk Sea

OREX -- Seeadler Harbor, Manus Island, Admiralty Islands

ORGANGRINDER -- Kaiapit, New Guinea

ORIENTAL -- Komebail Lagoon, Palau Islands

ORIGIN -- 3rd U.S. Naval Training Base, British Isles

ORIOLE -- Naso Point, Kandavu Island, Fiji Islands

ORNATE -- Puerto Castillo, Honduras

ORTHODOX -- Aleutian Islands

OSCAR -- Molucca Passage, N.E.I.

OSTENTATION -- Makar, Mindanao, P.I.

OSTLER -- Tongareva (Penrhyn) Island, Cook Islands

OUTBUILDING -- South Pacific Theater

OUTCROP -- Tripolia, Syria

OUTGENERAL -- Engebi Island, Eniwetok, Marshall Islands

OUTGOING -- Komsomoesk-Nokolaevsh Area, U.S.S.R.

OUTJOCKEY -- Ulejang Atoll, Marshall Islands

OUTRANGE -- Keelung, Formosa

OUTRIGHT -- Ngatik Island, Caroline Islands

OUTSPOKEN -- Borokoe, N.E.I.

OUTSTEP -- Curacao, N.W.I.

OVERBOARD -- Sovetskaya Gavan, U.S.S.R.

OVERBUILD -- Parry Island, Eniwetok, Marshall Islands

OVERCAST -- The project of exploiting German civilian scientists

OVERCOAT -- Staines, British Isles (Central Spare Parts Depot)

OVERDOSE -- Kepler Point, New Guinea

OVERFEED -- Gilbert Islands

OVERFLOW -- Transjordania

OVERHEAD -- Tokyo Area, Japan

OVERLORD -- General operational plan for invasion of Europe, spring 1944

OVERPAY -- Rhodes, Mediterranean Sea

OVERPITCH -- South Africa

OVERSCENTED -- Bandjermasin, Dutch Borneo

OVERSTRESS -- Camotes Sea, P.I.

OVERTRUMP -- Rongelap, Marshall Islands

OWLSCLOVER -- Dipalog, Mindanao, P.I.

OXEYE -- Heliopolis, Egypt

OXIDIZE -- Crete, Mediterranean Sea

OXYGEN -- Cebu, P.I.

OYSTER -- Busai, Woodlark Island [Solomon Sea]

OZONE -- Guimaras Strait, P.I.