All articles starting with O
9,097 articles
Operation Killer
Operation Killer was a UN counteroffensive in the Korean War, launched by the US Eighth Army under General Matthew Ridgway against Chinese and North Korean forces from February 20 to March 6, 1951.
Operation Kraai
Operation Kraai, known in Dutch as Operatie Kraai and in Indonesia as Agresi Militer Belanda II, was the second major Dutch offensive of the Indonesian War of Independence, launched in December 1948.
Operation Krivaja '95
Operation Krivaja '95 (Krivaja 95) was the July 1995 Drina Corps offensive of the Bosnian Serb army against the Srebrenica safe area, capturing the town on 11 July and preceding the Srebrenica genocide.
Operation Lam Son 719
Operation Lam Son 719 was a South Vietnamese incursion into southeastern Laos in early 1971, aiming to cut the Ho Chi Minh Trail at Tchepone with US air support.
Operation Linda Nchi
Operation Linda Nchi, Swahili for "Protect the Nation," was the code name for Kenya's 2011 military intervention in southern Somalia against the Al-Shabaab Islamist group.
Operation Lindbergh
Operation Lindbergh was the first complete robot-assisted surgical operation across a transoceanic distance: in 2001, surgeon Jacques Marescaux in New York removed a gallbladder in Strasbourg via the ZEUS system.
Operation Linebacker
Operation Linebacker was a US aerial bombing and interdiction campaign against North Vietnam from April to October 1972, launched in response to North Vietnam's conventional Easter Offensive against South Vietnam.
Operation Linebacker II
Operation Linebacker II, known as the Christmas Bombing, was a United States air campaign against North Vietnam in December 1972 that forced Hanoi back to peace talks.
Operation London Bridge
Operation London Bridge, code phrase "London Bridge is down", was the UK plan for the aftermath of Queen Elizabeth II's death: notification, 10-11 days of mourning, lying-in-state, and her 19 September 2022 state funeral.
Operation Looking Glass
Operation Looking Glass, also called the Airborne National Command Post, was Strategic Air Command's airborne nuclear command post, airborne around the clock from February 1961 to July 1990.
Operation Lorraine
Operation Lorraine (French: Opération Lorraine) was a French offensive of the First Indochina War, launched October 29, 1952, with over 30,000 men against Viet Minh supply bases.
Operation Lukavac '93
Operation Lukavac '93 was a 1993 VRS offensive against the ARBiH in the mountains south of Sarajevo. It aimed to connect Herzegovina and close the siege ring.
Operation Lüttich
Operation Lüttich (Mortain counterattack) was the German panzer counteroffensive of 7–13 August 1944 against the Avranches corridor in Normandy, halted by the US 30th Infantry Division and Allied air power, leading to the Falaise Pocket.
Operation Market Garden
Operation Market Garden (17-26 September 1944) was the largest airborne operation in history, an Allied attempt to seize Dutch bridges at Eindhoven, Nijmegen, and Arnhem; it failed when British 1st Airborne was overwhelmed at Arnhem before XXX Corps arrived.
Operation Martyr Soleimani
Operation Martyr Soleimani, also reported as Operation Martyr Qasem Soleimani, was Iran's ballistic-missile attack of 8 January 2020 against Ayn al-Asad and Erbil in Iraq, its first direct strike on US forces.
Operation Meghdoot
Operation Meghdoot: Indian Army and Air Force operation launched 13 April 1984 to seize the Siachen glacier and Saltoro Ridge heights ahead of Pakistan's Operation Ababeel; about 300 troops deployed, ongoing deployment above 21,000 feet in the world's highest battlefield.
Operation Mekong (湄公河行动)
Operation Mekong (湄公河行动), also known as 湄公河大案, is a 2016 Dante Lam action film starring Zhang Hanyu and Eddie Peng, adapted from the 2011 Mekong River massacre of 13 Chinese sailors; it earned 680 million yuan in 11 days and won the Golden Rooster Best Feature Film award.
Operation Menu
Operation Menu, also called the Secret Bombing of Cambodia, was a secret United States Air Force B-52 campaign against Communist base areas in Cambodia from March 1969 to May 1970.
Operation Metro Surge
Operation Metro Surge, also called Metro Surge, was a federal immigration enforcement operation launched by DHS in the Minneapolis–St. Paul area on December 1, 2025.
Operation Michael
Operation Michael, the German spring offensive of 21 March–5 April 1918, also called Kaiserschlacht or Second Battle of the Somme: Ludendorff's assault on the British Third and Fifth Armies that gained 40 miles but failed to take Amiens.
Operation Midas
Operation Midas (Ukrainian: Операція "Мідас") is a NABU–SAPO anti-corruption investigation announced November 10, 2025, into a $100 million kickback and laundering scheme at Energoatom, unlike unrelated Australian, British, and African police operations of the same name.
Operation Midnight Climax
Operation Midnight Climax was a CIA MKULTRA subprogram (mid-1950s to mid-1960s) using safe houses in San Francisco and New York where prostitutes dosed unwitting men with LSD while agents watched through one-way mirrors; run by George Hunter White under Sidney Gottlieb.
Operation Midway Blitz
Operation Midway Blitz was a large-scale federal immigration enforcement campaign launched in Chicago on September 8, 2025, bringing hundreds of agents, about 4,000 arrests, protests, and federal court orders over nine weeks.
Operation Mincemeat
Operation Mincemeat: 1943 British deception using corpse Glyndwr Michael as fake Major William Martin to convince Germany the Allies would invade Greece and Sardinia, not Sicily; planners Cholmondeley and Montagu.
Operation Mincemeat (film)
Operation Mincemeat (2022 film), also known simply as Operation Mincemeat, is a John Madden war drama starring Colin Firth and Matthew Macfadyen, adapted from Ben Macintyre's 2010 book about the WWII corpse deception; released on Netflix May 11, 2022.
Operation Mo
Operation Mo, often written Operation MO, was a Japanese plan of May 1942 to seize Port Moresby and Tulagi, foiled at the Battle of the Coral Sea.
Operation Mockingbird
Operation Mockingbird, popularized by Deborah Davis's 1979 book, names supposed CIA media control; the documented record shows only the 1963 Project Mockingbird wiretap of columnists Allen and Scott and Church Committee-confirmed journalist relationships ended by the 1976 policy.
Operation Moduler
Operation Moduler, anglicised Operation Modular, was a 1987 South African Defence Force operation that helped UNITA stop a FAPLA offensive, the first phase of the Battle of Cuito Cuanavale.
Operation MoLoChKa
Operation MoLoChKa (Операція «МоЛоЧКа», acronym for 'Moscow will fall through Crimea') is Ukraine's Unmanned Systems Forces maritime drone campaign against Russia's shadow fleet, launched July 6, 2026 in the Sea of Azov and extended to the Black Sea on July 15.
Operation Mongoose
Operation Mongoose, a covert U.S. program authorized by President Kennedy on November 3, 1961, aimed to undermine and overthrow Fidel Castro's government via sabotage, intelligence, and resistance support; run by the Special Group (Augmented) and CIA Task Force W, it was suspended in October 1962 during the Cuban Missile Crisis.