| OpenCola | Operation Gold | Operation Silver |
| OpocznoOpoczno a town in central Poland with 21,900 inhabitants (1995). Situated in the Lodz Voivodship (since 1999), previously in Piotrkow Trybunalski Voivodship (1975-1998). Towns in Poland. | Open source intelligenceOpen source intelligence or "OSINT" refers to an intelligence gathering discipline based on information collected from open sources, i. information available to the general public. This includes newspapers, the internet, books, phone books, scientific jou | Open Root Server ConfederationThe Open Root Server Confederation, Inc. ORSC) is a non-profit organization, incorporated in 1998, which manages an alternate DNS root. It was originally formed to bid on a contract to manage the main root DNS servers but alternatively ICANN was selected |
| Ophrys luteaYellow ophrys Scientific classification Kingdom: Plantae Division: Magnoliophyta Class: Liliopsida Order: Orchidales Family: Orchidaceae Genus: Ophrys Species lutea Binomial name ''Ophrys lutea The Yellow Ophrys Ophrys lutea is a European orchid. Descript | Operation AlsosDuring the final days of World War II in Europe, the American military conducted Operation Alsos to seize German nuclear resources, materials and personnel to further American research and to prevent their capture by the Soviets. Alsos is Greek for “grove | Operation BigOperation Big was a part of the overarching Allied effort (called Operation Alsos) to capture German nuclear secrets during the final days of World War II. In this portion of the operation, nuclear intelligence teams moved quickly from Freudenstadt throug |
| Operation HarborageDuring the final days of World War II, Operation Harborage was part of the overall Allied operation to capture German atomic weapons scientists, material and facilities (dubbed Operation Alsos). Harborage teams were directed toward the cities of Hechingen | Option time valueConceptually, the value of an option consists of two components, its intrinsic value and its time value . Time value is simply the difference between option value and intrinsic value. Intrinsic value is the difference between the exercise price of the opt | Operation AvalancheHistory records no less than three events known as Operation Avalanche Operation Avalanche: The Allied invasion of Italy, 1943; Operation Avalanche: A U. investigation of child pornography on the Internet, launched 1999. Operation Avalanche: U. led coalit |
| Operation Mongoose | Ophiocoma wendtii | Optimist International |
| Operation Red Dawn | Opel Kadett | Operation Grün |
| Operation Herbstreise | Operation Ivy Blizzard | Operation Ivy Cyclone II |
| Operator assistance | Operation Rifles Blitz | Operation Bulldog Mammoth |
| Operation Iron Hammer | Open University of Hong Kong | Operation Ore |
| Operation Pin | Operation Slipper | Operation Bramble Bush |
| Operation Boardman | Operation Chettyford | Operation Any Soldier |
| Operation Artur | OpenRISC | Operation Adler |
| Operation Attila | OpenDOS | Operation Sledgehammer |
| Operation Ajax | Opuntia | Opel RAK.1 (plane) |
| Operation Avalanche (World War II) | Operation Avalanche (child pornography) | Operation Avalanche (Afghanistan) |
| Operation Donnerschlag | Operation Corporate | Operation Sutton |
| Operation Purple Warrior | Operation Keyhole | Operation Rosario |
| Operation Black Buck | Operation Canbelow | Operation Musketeer |
| Open Data-Link Interface | Operation Desert Scorpion | Operation Abercrombie |
| Operation Amherst | Operation Archery | Operation Archway |
| Operation Baobab | Operation Basalt | Operation Begonia |
| Operation Biting | Operation Candytuft | Operation Claret |
| Operation Clawhammer | Operation Claymore | Operation Cold Comfort |
| Operation Colossus | Operation Canuck | Operation Driftwood |
| Operation Dunhill | Operation Defoe | Operation Flavius |
| Operation Frankton | Operation Gaff | Operation Gauntlet |
| Operation Keystone | Operation Loyton | Operation Nelson |
| Opportunity | Operation Newton | Operation Anklet |
| Operation Noah | Operation Savannah | Open gaming |
| Operation Headstrong | Open Document Interchange Format | Operation Tombola |
| Operation Stardust | Operating System Embedded | Operation Falcon |
| Operation Tsunami (Canada) | Operation Athena (Canada) | Open Source Funding |
| Operation Balak | Operation Horev | OpenSSL |
| Opossum shrimp | Optigan | OP |
| Operation Grapple | Operation Mountain Resolve | Optic flow |
