This is a list of missions, operations, and projects. Missions in support of other missions are not listed independently.
 World War I
- Albion (1917) — German capture of Oesel, Dagö and Moon Islands (now Saaremaa, Hiiumaa and Muhu)
- Hush planned Allied amphibious landing on the Belgian coast.
- Kaiserschlacht (‘Kaiser’s battle’) (1918) — German Spring offensive using armies released from the Eastern Front.
- Strafexpedition (Punitive Expedition) (1916) — operation by the Austro-Hungarian Army against Italy (Italian northern front): the largest mountain battle ever fought.
- Z-O (1918) — British raid on Zeebrugge and Ostend
 World War II
 Cold War Era
- Ajax (1953) — Anglo-American plan for Iranian coup d’état that deposed Mohammed Mosaddeq and reinstalled Mohammad Reza Pahlavi
- Atilla (1974) — Turkish invasion of Cyprus, leading to subsequent occupation of northern Cyprus
- Operation Cactus (1988) — Indian armed forces oust Tamil nationalist mercenaries of PLOTE who instigated a coup in Malé in the Maldives.
- Operation Chengiz Khan (1971) — Pakistan Air Force launches a preemptive attacks on Indian air bases.
- Claret (1964) — British SAS and Australian SASR patrols into Indonesia
- Eagle Claw (1980) — Attempted rescue of American hostages held in Tehran.
- Earnest Will (1987–88) — American protection of Kuwaiti oil tankers in the Persian Gulf during the Iran–Iraq War
- Eager Glacier (1987–88) — U.S. spy planes gather intelligence about Iran.
- Nimble Archer (1987) — U.S. retaliates for Iranian missile attack on reflagged Kuwaiti tanker.
- Praying Mantis (1988) — U.S. retaliates against Iran for mining frigate.
- Prime Chance (1987–88) — Special operations to protect Kuwaiti tankers, run largely from barges in the northern Persian Gulf.
- Evening Light (1980) — failed U.S. attempt to rescue embassy hostages in Tehran
- Operation Gibraltar (1965) — Pakistan‘s attempt to infiltrate and instigate a massive rebellion in Jammu and Kashmir, India
- Grand Slam (1965) — Pakistan‘s second attempt to cut off Kashmir from India.
- Lucky Alphonse (1956) — British sweep of Troodos area on Cyprus for EOKA
- Operation Meghdoot (1984) — Indian military‘s capture of the majority of Siachen Glacier.
- Nimrod (1980) — rescue of hostages in the Iranian embassy, London
- Paul Bunyan (1976) — UN forces remove a tree in the Korean Demilitarized Zone
- Sparrowhawk I, II and III (1956) — British operations against EOKA on Cyprus.
- Team Spirit (1976–1993) — Annual joint exercise with South Korean forces.
- Dwarka(1965)— Pakistan Navy’s attack on the Indian coastal town of Dwarka on 7 September 1965. This was the first use of a Navy in the Indo-Pakistan Wars.
- Operation Trident (1971) — Indian Navy‘s bombing and blockade of Karachi Port, Pakistan.
- Operation Storm 333 (1979) — Storming Afghan Political and military headquarters
- Berlin Airliftof 1948:
- Gladio (?) — Stockpiles of weapons in Switzerland, Austria and other countries for resistance to Soviet occupiers.
- Gold (1954) — covert American tunnel under the Berlin Wall
- Neptune (1964) — Soviet-led counterintelligence operation.
- Reforger — Annual American exercise to “return forces to Germany”.
- Retail (1946) — British clearance of naval mines laid in Albanian waters.
- Silver (1949) — covert British communications tap in Austria
- Banner (1969–2007) Deployment of British troops to Northern Ireland. To prevent sectarian killings and support the Police (RUC). Op Banner resulted in over 700 British Armed Forces deaths and 303 Police deaths at the hands of the Irish Republicans
- Operation Danube (1968) — Warsaw Pact invasion to halt Czechoslovakia’s “Prague Spring” reforms
 South America
- Operation Brother Sam (1964) — A US government contingency plan to support the military coup that overthrew the Brazilian constitutional president João Goulart, if the coup had faced armed resistance
- The track down operation (1967) — that capture and executed Che Guevara
- Operation Condor (1970’s) — — A campaign run by then South American Military Dictatorships’ intelligence services with United States’ support, which goal was extrajudicial and secretly, find, capture and eliminate political dissidents who, had succeeded to escape political repression in their homelands but could be found in any of these other countries.
 Central America and the Caribbean
- Fortune (1950s) — 1951 CIA plan for a coup in Guatemala. Executed as Success.
- Success (1954) — 1954 CIA coup in Guatemala.
- Northwoods (1960s) — plan to incite war between the United States and Cuba.
- Peter Pan (1960s) — transfer of Cubans to the US
- Operation Pluto (1961) — plan to invade Cuba and overthrow its’ government using an CIA-trained force of Cuban exiles.
- Mongoose (1962) — plan for information gathering, sabotage, civil insurrection and the overthrown of the Cuban government.
- Phibriglex (1962) — US plan and mock invasion by its armed forces of a Caribbean island. The exercise took place on Vieques and the purpose of the mock invasion was to overthrow a fictitious leader called “Ortsac”, whose name was, in fact, Castro spelled backwards. It occurred in August, shortly before the Cuban Missile Crisis. It is also known by the names Operation Ortsac, Operation Swift Strike II and Exercise Phibriglex-62.
- Anadyr — Cuban-Soviet plan to base nuclear weapons in Cuba; the cause of the Cuban Missile Crisis
- Kama — Soviet plan to forward-base seven Soviet ballistic missile submarines in Mariel, Cuba (part of Anadyr)
- Power Pack (1965) — US deployment with OEA military support in the Dominican Republic
- Waverider (1972) —
- Cubana Flight 455 (1976) — a Cuban civilian flight from Barbados to Jamaica that was brought down by a terrorist attack did by CIA anti-Castro Cuban exiles and members of the Venezuelan secret police.
- Urgent Fury (1983) — US invasion of Grenada
- Contras covert operation (1980s) — The illegal arrangements of Ronald Reagan’s administration to keep the financial, military, logistic and supply support for the Contras
- Golden Pheasant (1988) — US deployment in Honduras
- Just Cause (1989) — US invasion of Panama
 Southern Africa
- Hurricane (1972–1980) / — Operations by Rhodesian security forces against ZIPRA and ZANU guerillas in Mashonaland.
- Operation Overload (1974) — Rhodesian security forces operation to establish protected villages.
- Savannah (1975–76) — South African intervention in Angola in support of the FNLA.
- Carlota (1977) — Cuban Deployment to counter South African attacks to Angola.
- Dingo (1977) — Rhodesian attack on camps in Mozambique.
- Tangent (1977–1980) / — Operations by Rhodesian security forces against insurgents in Matabeleland.
- Favour (1978–1980) / — Training of former insurgents to serve as security force auxiliaries in Zimbabwe-Rhodesia.
- Reindeer (1978) — South African airborne attack on SWAPO base at Cassinga, Angola.
- Rekstok (1979) — South African attack on SWAPO bases in Angola.
- Safraan (1979) — South African attack on SWAPO bases in Zambia.
- Klipklop (1980) — South African disruption of SWAPO logistics in Angola.
- Sceptic (1980) — South African attack on SWAPO bases in Angola.
- Protea (1981) — South African attack on SWAPO bases near Ongiva and Xangongo, Angola.
- Carnation (1981) — South African skirmishes with SWAPO forces along the Angolan border.
- Meebos (1982) — South African destruction of SWAPO’s “East Front” HQ at Mupa, Angola.
- Askari (1983) — South African attack on SWAPO and FAPLA forces in Angola.
- Phoenix (1983) — South African response to mass SWAPO infiltration of South-West Africa
- Alpha Centauri (1986) — South African operation in support of UNITA in Angola.
- Modular (1987) — South African operation to reverse the FAPLA advance on Mavinga and Jamba.
- Hooper (1988) — South African operation followup to Modular in pursuit of retreating FAPLA forces.
- Packer (1988) — South African operation to push FAPLA and Cuban forces north of the Cuito river following Hooper.
 Chad Civil War (1965–1993)
- Bison (1969–72) (French intervention to counter FROLINAT insurgency)
- Tacaud (1978–80) (Operation to avoid FROLINAT rebels taking Chad’s capital)
- Manta (1983–84) (Intervention in the Chad-Libyan conflict)
- Épervier (1986–) (ongoing mission, originated to counter Libyan expansion in Chad)
 Falklands War (1982)
- Rosario — Argentine joint operation
- Corporate — British liberation
- Argus (1959) — test of nuclear bombs in the upper atmosphere.
- Blowdown (1963) — Australia/US/UK simulated nuclear explosion in a rain forest.
- El Dorado Canyon (1986) — US strikes against Libya
- Morning Light (1978) — Joint Canadian-US effort to recover Cosmos 954, a nuclear powered Soviet RORSAT.
- Operation Morris Dance (1987) — Australian response to the first of the 1987 Fijian coups d’état.
- Mount Hope III (1988) — covert recovery of a crashed Soviet-made helicopter from Africa.
- Nuclear testing List of all known named nuclear tests.
- Orion (1960) — DARPA project to design a nuclear pulse propulsion system.
 Vietnam (pre-Vietnam War)
- Castor (1953) — French resupply attempts by paradrop at Dien Bien Phu
- Condor (1954) — French relief of Dien Bien Phu
- Lea (1947) — Unsuccessful French attempt to capture the leaders of the Viet Minh
- Vulture (1954) — or Operation Vautour, proposed American-French air operations against the Viet Minh around Dien Bien Phu
 Korean War
- Blue Hearts (1950) — UN amphibious landings at Pohang.
- Courageous (1951) — Movement of UN infantry units up the Imjin River.
- Commando (1951) — Attack to the Jamestown Line.
- Chromite (1950) — UN invasion at Inchon.
- Little Switch (1953) — Exchange of sick and wounded prisoners of war between United Nations and North Korean/Chineseforces.
- Big Switch (1953)
- Ripper (1951) — UN movements towards the 38th parallel to recapture Seoul.
- Operation Moolah (1953) — psychological operation against Communist MiG-15 pilots to defect.
 Vietnam War
Main article: List of allied military operations of the Vietnam War
- Arc Light (1965) — US B-52 bombing campaign in Vietnam
- Attleboro (1967) — U.S. and Army of the Republic of Vietnam (ARVN) air mobile operations in Tay Ninh.
- Babylift (1975) — mass evacuation/airlift of orphans from South Vietnam to the U.S. and other countries
- Barrel Roll (1964–73) Template:Country data Laos (1952-1975) — the bombing of Laos by U.S. forces, to support the Royal Laotian Army and CIA-trained Hmong.
- Bolo (1967) — Decoy mission to disguise the electronic signature of combat aircraft.
- Chopper (1962) — Major air mobile offensive near Saigon.
- Cedar Falls (1967) — Attack on National Front for the Liberation of South Vietnam (NVA or Viet Cong) positions in Ben Cat (the Iron Triangle)
- Dewey Canyon (1971) — Offensive against NVA communication lines in Laos.
- Enhance Plus (1972) — Resupply of military equipment and consumables to the government of South Vietnam.
- Flaming Dart (1965) — Reprisal bombing attacks by the U.S. Air Force against NVA units.
- Frequent Wind (1975) — Helicopter evacuation of U.S. citizens before the fall of Saigon.
- Game Warden (1965) — first major U.S. riverine patrol operation. Later Swift Boatoperations included:
- Hastings (1966) — U.S. and ARVN counter-offensive operations in Quang Tri
- Homecoming (1973) — repatriation of U.S. prisoners of war from Vietnam
- Leap Frog (1968) — Systematic canvassing of the opinions of senior ARVN officers by U.S. military intelligence on likely NLF actions.
- Menu (1969) — U.S. bombing of Cambodia
- Malheur (1967) — Twin phased Search and destroy operations in Quang Ngai
- Pegasus (1968) — Resupply and relief operations to U.S. Marines besieged at Khe Sanh
- Phoenix (1968) — CIA-organized assassination campaign against influential NLF operatives in South Vietnam
- Rich (1968) — Combined arms assault near the Ben Hai River in the Vietnamese Demilitarized Zone
- Linebacker (1972) — Strategic bombing of Hanoi and Haiphong, and mining of Haiphong harbour.
- Ranch Hand (1961–71) — Spraying of herbicides (including Agent Orange) by aircraft and ground forces.
- Rolling Thunder (1967–68) — Bombing of North Vietnam
- Sealords (1968) — Mekong River delta and inland waterways campaign by the U.S. Navy in Vietnam
- Starlight (1965) — United States Marine Corps actions near Chu Lai.
- Sunrise (1962) — Relocation of Vietnamese peasantry around Saigon to “strategic hamlets.”
- Tailwind (1970) — Alleged use of nerve gas against U.S. defectors in Laos.
- Toan Thang 42 (1970) — ARVN incursion into Cambodia
- Union I and II (1967) — American Marines in the Que Son Valley.
 Post–Cold War
- Amphibian (2001) — South African deployment to the Democratic Republic of the Congo and Rwanda of observers to verify implementation of the Pretoria Agreement.
- Clean Corridor (1994) — escort of Tutsi military forces to Kigali by the United Nations Assistance Mission for Rwanda (UNAMIR).
- Ippocampo (1994) — Italian codename for evacuation of Italian civilians from Rwanda
- Silver Back (1994) — International codename for civilian evacuation in Rwanda
- Tamar (1994) — Australian contribution to peacekeeping in Rwanda.
- Turquoise (1994) — French led intervention in Rwanda to protect displaced persons.
 Other Africa
- Addition (2000) — Canada’s contribution to the United Nations Mission in Ethiopia and Eritrea (UNMEE)
- Albatros (1993–94) — Italian contribution to UN peace keeping mission in Mozambique (UNOMOZ)
- Azure (2005) — Australian name for UN peace keeping mission in Sudan (UNMIS) 
- Barras (2000) — British SAS destruction of a rebel group in Sierra Leone.
- Boleas (1998) — South African and Botswanan military intervention in Lesotho
- Caravan (2003) — Canadian contribution to the French-led Interim Emergency Multinational Force in the Democratic Republic of Congo
- Cordite (2004) — South African observer mission to the African Union mission in Darfur
- Deliverance (1993) — Canadian mission to Somalia
- Eastern Exit (1991) — US evacuation of its embassy in Somalia
- Espresso (2002) — South African contribution to the United Nations Mission in Ethiopia and Eritrea (UNMEE)
- Fibre (2003) — South African mission to Burundi
- Liberation (2002) — Seizure of Asian-owned assets in Zimbabwe.
- Licorne (2002) — The French contribution to the United Nations Operation in Côte d’Ivoire.
- Mistral (2003) — South African contribution to the Mission of the United Nations in the Democratic Republic of the Congo (MONUC)
- Montego (2003) — South African contribution to United Nations Mission in Liberia (UNMIL)
- Murambatsvina (2005) — Zimbabwe government’s attack on residential district loyal to opposition groups.
- Nilo (2005) — Italian name for UN peace keeping mission in Sudan (UNMIS)
- Phillis (2004) — evacuation of British citizens from Côte d’Ivoire
- Restore Hope (1992) — American name for UNITAF, humanitarian intervention in Somalia
- Sharp Edge (1990–91) — evacuation of Americans from Liberia
- Shining Express (2003) — evacuation of Americans from Liberia
- Solace (1992) — Australian deployment in Somalia
- Tanker Two (2002) — South African Navy mission to shadow Greenpeace‘s MV Esperanza and prevent interception of the Pacific Teal, a plutonium transport.
- Teutonic (2005) — SANDF assistance to DRC transitional government.
 East Timor
- Astute (2006) — Deployment of Australian military forces to East Timor following the May 2006 civil unrest.
- Citadel — Australia’s contribution to the United Nations Mission of Support in East Timor (UNMISET). Later ongoing peacekeeping actions were known as Operation Tanager.
- Chiron — Training of East Timorese military forces by the Australian Defence Force.
- East Timor — Deployment of New Zealand military forces to East Timor.
- Faber — Deployment of United Nations military observers to East Timor in support of the UNAMET-monitored popular consultation.
- Poinciana (1975) — Or Operasi Flamboyan (a name of a tropical tree); seaborne capture of Dili in 1975.
- Seroja (1975) — Indonesian invasion of East Timor in 1975.
- Stabilise — Also spelled as Operation Stabilize; Australian Defence Force’s involvement in the multinational force United Nations International Force in East Timor (INTERFET) in East Timor
- Scorched Earth — Or Operasi Sapu Bersih in Indonesian, also known as Operation Clean Sweep; campaign of violence and arson allegedly committed by the TNI-supervised pro-integration militias following the 1999 United Nations supervised plebiscite.
- Spitfire — Evacuation of foreign nationals from East Timor by Australian defence assets, as a result of post-referendum violence.
- Toucan — Canada’s contribution to the United Nations’ International Force in East Timor (INTERFET) and the United Nations Transitional Administration in East Timor (UNTAET)
- Warden — Military operation involving all contributing forces conducted under the multinational peacekeeping mission known as United Nations’ International Force in East Timor (INTERFET)
 Croatian War of Independence 1991-1995
- Operation Otkos 10 (end Oct-Nov 1991) — Croatian actions against rebel Serbs and regular Serbian forces on area from Mount Bilogora to Mount Papuk (on west of Slavonia)
- Operation Orkan 91 (1991) — Follow-up offensive after Otkos 10.
- Harmony — Canada’s contribution to the United Nations Protection Force (UNPROFOR), which was created in February 1992 to ensure the protection and demilitarization of three UN Protected Areas in Croatia
- Operation Tigar (July 1992) — Croatian military actions in occupied Dubrovnik hinterland, held by Serbomontenegrin regulars.
- Medački džep (September 1993) Croatian offensive against rebel Serbs with aim of relieving the city of Gospić from Serb shelling attacks.
- Bljesak (“Flash”) (March 1995) — Croatian offensive against rebel Serbs, with aim of liberating occupied western Slavonia
- Oluja (“Storm”) (August 1995) — Croatian major offensive against most areas under control of rebel Serbs.
 War in Bosnia and Herzegovina 1992-1995
- Maritime Monitor (July 1992 – November 1992) — in support of UN resolutions 713 and 757, operation which subsequently became:
- Sky Monitor (October 1992 -) — NAEW orbit over the Adriatic. On 31 October an additional NAEW orbit was commenced over Hungary
- Deny Flight (April 1993 – December 1995) — to prevent the violation of the Bosnia-Herzegovina airspace, declared “No-Fly Zone”
- Neretva ’93 (1993) — offensive of Bosnian Muslim forces against Bosnian Croats in northern and eastern Herzegovina
- Bøllebank (“Hooligan-bashing” in Danish) (April 1994) — UN-forces’ use of tanks against Bosnian Serbian forces.
- Amanda (1994) — Danish UN-forces’ second engagement against Bosnian Serb forces.
- Summer ’95 (July 1995) — Croatian offensive in west Bosnia
- Sword ’95 (1995) — Bosnian-Serb offensive against Bosnian-Moslem forces in west Bosnia
- Koridor ’92 (1995) — One of the most successful Bosnian-Serb operations against Moslem and Croatian military forces
- Deliberate Force (August – September 1995) — NATO air campaign in Bosnia and Herzegovina
- Tiger (1995) — offensive of pro-government Bosnian Muslim forces against forces of Fikret Abdić
- Maestral (September 1995) — Major Croatia offensive in western Bosnia
- Južni Potez (October 1995) — Croatia offensive in area around Mrkonjić Grad
- Sana (1995) — Bosnian offensive in northwest Bosnia
- Pauk (1995) — Bosnian-Serb and rebel Croatian Serb offensive in northwest Bosnia
- Una (1995) — Failed Croatian operation against Bosnian-Serb Army. Bosnian-Serb victory
- Joint Endeavor (December 1995) — NATO peace-keeping operation in Bosnia and Herzegovina which established IFOR
- Joint Guard (December 1996 – 1998) — NATO peace-keeping operation in Bosnia and Herzegovina which established SFOR
- Joint Forge (1998) — NATO peace-keeping operation in Bosnia and Herzegovina following Operation Joint Guard
 Kosovo War 1999
- Allied Force (1999) — NATO’s air campaign in Yugoslavia
- Megaphone — Canada’s return of equipment used in Kosovo
- Potkova (“Horseshoe”) (1999) — Yugoslav army offensive against the KLA
- Quadrant — Canada’s mission in Kosovo
- Joint Guardian – which established KFOR
- Able Sentry (1993–94) — Berlin Brigade deployed as part of Multi-National United Nations Protection Forces (UNPROFOR) to the Republic of Macedonia to establish Camp Able Sentry and monitor sanctions imposed by NATO against Serbia/Kosovo. *This mission was later taken over by the (then) Germany-based, 3rd Infantry Div (Mech)
- Essential Harvest(2001) — month-long NATO mission of disarming ethnic Albanians in Macedonia
- Forage — Canadian contribution to NATO’s Essential Harvest
- Kinetic — Canada’s contribution to NATO’s mission KFOR to secure Kosovo and Macedonia and to provide humanitarian needs to displaced persons
- Echo — Canada sending air forces to Aviano, Italy to enforce a no-fly zone over Balkan region (UNSFOR and UNKFOR)
- Mountain Storm — Macedonian special police operation against Albanian extremists (2007).
- Constable (1997) — Canada’s contribution to the United Nations Mission in Haiti
- Uphold Democracy (1994–1995) — U.S. led multinational force, replaced by United Nations Mission in Haiti or UNMIH
- New Horizon (1995–1996) — U.S. mission in support (and under the command) of United Nations Mission in Haiti
- Secure Tomorrow (2004) — U.S. led multinational force, authorized by the UN as the Multinational Interim Force (MIF) which was replaced by the United Nations Stabilization Mission In Haiti or MINUSTAH
 Persian Gulf War
- Desert Shield (1990–91) — American buildup prior to Gulf War
- Desert Storm(1991) — Gulf War
- Granby — British codename for operations during the Gulf War
- Daguet (“Brocket deer“) — French codename for operations during the Gulf War
- Damask — Royal Australian Navy deployment to the Persian Gulf.
- Operazione Locusta (“locust“) — Italian codename for operations during the Gulf War.
- Desert Sabre — The ground campaign which began on 24 February 1991.
- Determination (early 1998) — Canadian deployment in the Persian Gulf to force Iraq to comply with United Nations inspection agreements.
- Ace Guard (1991) — The (NATO) Allied Command Europe Mobile Force for Turkey South Border Reinforcement (based at Diyarbakir AFB)
- Record (1991) — Canadian mission to secure Iraqi-Kuwaiti border
 Iraq (post-Gulf War)
- Provide Comfort (1991–96) — security and humanitarian aid to Kurds in northern Iraq and No-Fly ZoneNorth of 36°N over Iraq.
- Airone (1991) — Italian codename for Operation Provide Comfort.
- Southern Watch (1991–2003) — No-Fly Zone South of 33°N over Iraq.
- Desert Strike (1996) — retaliation attacks on Iraq.
- Northern Watch (1997–2003) — No-Fly Zone North of 36°N over Iraq
- Desert Fox (1998) — bombing campaign on Iraqi targets
- Operation Clear Field (2008) Georgia — Failed Attempt to Capture Tskhinvali
- Operation Forcing Georgia To peace (2008) Russia — military operation repelling Georgian attack on South Ossetia
 Arab-Israeli Conflict
 Global War on Terror and other associated activity
 Afghanistan War
Operation Fingal 2001 Operation Herrick
 Iraq War
Op Telic 2003
 Other military counter-terrorist operations
- Eagle Assist (2001) — Surveillance and protection of US skies by NATO military aircraft.
- Enduring Freedom – Horn of Africa (2002) US military operations and civic assistance based in Djibouti.
- Enduring Freedom – Philippines (2002) US military operations in the Philippines against Abu Sayyaf insurgents.
- Noble Eagle (2001) — US military operations to prevent terrorism in the United States.
 Terrorist operations
- Bojinka (1995) — aborted Al-Qaeda plot to bomb eleven aircraft over Asia, and/or assassinate Pope John Paul II in the Philippines.
- Jibril (2001) — aborted Jemaah Islamiah plan to bomb US, Australian, Israeli and British targets in Singapore. Also known as Operation C.
- Death Trains (2004) — unverified name given by Al-Qaeda for the Madrid train bombings.
- Wagon (2003) — unverified name given by Al-Qaeda for an aborted plan to bomb the London Underground and attack Heathrow Airport.
 Counter-terrorism drills
- Fast Forward (2005) Mock evacuation of downtown Washington.
- Firework Fanfare (2005) Mock evacuation of towns in Oklahoma.
- Highline (2005) Counter-terrorist exercise in Collingwood, Melbourne.
- Operation Red Dragon (2009) Training of military and civil medical and other units in response to a mock chemical attack on a sporting event.
- TriPOD (2004) Plan to mass inoculate New York City citizens in the event of a biological attack.
 Preventive counter-terrorist operations
- Active Endeavour NATO naval forces in the Mediterranean.
- Asparagus Investigation and arrest into suspected Islamist terrorists in Belgium by Belgian police.
- Atlas (2003) — counter-terrorism initiatives implemented by the New York Police Department.
- Crevice (2004) — British counterterrorism action.
- Green Quest (2001) — US Customs anti-money laundering operations targeting Al-Barakat transactions.
- Kratos (2002) — Development and implementation of “shoot-to-kill” anti-terrorist policies by the London Metropolitan Police.
- Laverda (2003) — London Metropolitan Police surveillance operations against Islamist demonstrations.
- Liberty Shield (2003) — Department of Homeland Security operations to enhance security at US installations, and to detain selected foreign nationals.
- NYShield (2003) — New York state plan to secure transport centres and nodes.
- Safe Commerce (2004) — Implementation of new measures and technology to improve maritime cargo screening.
- Sirius (2005) — Canadian military participation in Operation Active Endeavour.
- Vigilance (2001) — Counter-terrorist operations conducted by the state of Arizona.
 Reactive counter-terrorist operations
- Alliance (2002) — Australian and Indonsian joint investigations into the 2002 Bali bombings.
- Bali Assist (2002) — Australian evacuation of killed and injured foreign nationals from Indonesia after the 2002 Bali bombings.
- Seal (2004) — Arrest of suspected Islamist militants in Spain following the Madrid train bombings.
- Support (September 11–14, 2001) — Canadian Forces operations after the September 11, 2001 attacks
- Tigris (2004) — Spanish investigations into Islamist organisations in Spain.
- Yellow Ribbon (2001) — Transport Canada‘s operations after the September 11, 2001 attacks
- Abacus — Plan to use the Canadian Forces to maintain and restore vital public services in the event of disruption by the Year 2000 problem.
- Artisan — Canadian Forces contribution to the Rinas Airfield Rehabilitation Project in Tirana, Albania
- Breakwater  (????) — Australian air and sea operation targeting border incursions by foreign fishing boats off its northern coastline.
- Bright Star — (1981) American exercise to reinforce allies in the middle east.
- Chaperon — Canada’s contribution to the United Nations of one military observer (UNMO).
- Celesta — Australian naval surveillance in Australia’s southern waters against illegal fishing.
- Cranberry — Australian naval surveillance in Australia’s northern waters against smuggling and illegal fishing.
- Eclipse — deployment of Canadian soldiers to east Africa in support of the United Nations Mission in Ethiopia and Eritrea (UNMEE)
- Ezra and Nehemiah (aka Ali Baba) (1950–1952) — mass migration/airlift of Iraqi Jews to Israel
- Flavius (1988) — SAS action against the IRA in Gibraltar
- Fusion — Canada’s combined contribution to Allied Harmony and Concordia
- Garden Plot — US Army plan for assistance to civil authorities.
- Highjump (1947) — US Naval expedition to Antarctica.
- Nunalivut (2006) — Canadian naval deployment in the Arctic.
- Parabellum (2007) Italian Mafia-Iraq arms deal investigation.
- Power Geyser (2005) — Military security support to the 2005 Presidential inauguration.
- Prudence — Canada’s participation in the Mission des Nations Unies dans la République Centrafricaine (MINURCA)
- Relex (2001) — Australian defence force operations to secure Australia’s northern maritime approaches against illegal immigration. Reactivated in 2004 as Operation Relex II.
- Sure Victory (1997) — Sri Lankan counter-insurgency operations against the Tamil Tigers.
- Exercise Unified Spirit — large NATO exercise held every two years to train the armed forces of member nations in joint and combined operations.
- Operation Vijay (1999) — Indian operations against Pakistan during the Kargil war that took place between May and July 1999 at Kargil district, Jammu & Kashmir, India.
 Law Enforcement
 US Drug Enforcement Administration Operations
Main article: List of Drug Enforcement Administration operations
 Other anti-narcotic operations
- Century (1996) — ill-fated Essex police / Royal Ulster Constabulary operation to pressure persons of interest for information about a drug-related triple murder.
- Corona (2001) — Miami police operations against heroin trafficking by the Latin Kings.
- Falcon (2004) — anti-pedophilia raid against companies handling credit card payments.
- Final Count (2001) — Miami police operations against heroin trafficking by the John Aragon Heroin Organization.
- Web Tryp (2004) — American sting operation against sellers of psychedelics online.
- Mocha (2005) — New South Wales and federal police investigation into drug smuggling at Sydney airport.
- Outta Towner (2005) — Chicago police operations against heroin trafficking.
- Panzer (1998) — Australian National Crime Authority investigation into organised crime by outlaw motorcycle gangs (bikies).
- Safe Streets (2002) — Anti-drug trafficking operations by Philadelphia police.
- Topaz (2004) — United Nations convened operations against drug-smuggling in Central Asia.
 Anti-child pornography operations
- Auxin (2004) — Australian anti-child pornography effort.
- Avalanche (1999) — American anti-child pornography effort.
- Pin (2003) — British-led anti-child pornography effort.
- Ore (2003) — American led anti-child pornography effort.
 Operations against intellectual property theft
- Buccaneer (2001) — International raid on software pirates.
- D-Elite (2005) — US raid on software pirates.
- Fastlink (2004) — International operation against pirated computer software.
- Site Down (2005) — International crackdown on pirated movies.
 Other operations
- Ill Wind (1986–89) — FBI investigation into defense contractor bribery and fraud.
- Crevice (2004) — British counterterrorism action.
- Fast Forward (2005) — Mock evacuation of downtown Washington.
- Falcon (2005) — Widespread dragnet led by the United States Marshals Service.
- Jackdraw (2004) — London Metropolitan Police operations to prevent and deter pickpocketing.
- Last Call (2005) Texas operation aimed against drunkenness in bars.
- Midas (2003) — Australian anti-money laundering operations by AUSTRAC.
- Midnight Jackal (2009) Pakistani coup attempt
- Minstead (1998) — Metropolitan police operation directed at a serial rapist.
- Perseus (1998) — British Transit Police.
- Purana (2003) — Investigation of Melbourne, Victoria’s underworld.
- Sundevil (1999) — Nationwide United States Secret Service crackdown on illegal computer hacking activities.
- Swamp 81 (1981) Metropolitan police operation that may have sparked the Brixton riots.
- Trident (1998) — Crackdown by London’s Metropolitan Police against drug-related gun crime in the black community. Later expanded to Operation Trafalgar.
- Thermcon (1987) — FBI operation that targeted environmental activists.
 Humanitarian Operations
- Central (1998) — Canada’s assistance to Central America after the devastation of Hurricane Mitch
- Anode (2000) — Australian military contribution as part of the Regional Assistance Mission to the Solomon Islands.
- Assistance (1997) — Canadian assistance to Manitoba after major flooding.
- Hajji Baba (1952) — United States assistance to Hajj pilgrims.
- Helpem Fren (2000) — Pidgin for helping friend, multinational assistance to the Solomon Islands under the aegis of RAMSI.
- Hawkeye (20 September 1989 – 17 November 1989) — Canada’s assistance to St. Croix, U.S. Virgin Islands after the devastation of Hurricane Hugo
- Navy Help Darwin (1974) — Australian Naval assistance to Darwin after Cyclone Tracy.
- Pakistan Assist (2005) — Australian Defence Force humanitarian operations providing support after the 2005 Kashmir earthquake.
- Peregrine — British Columbia forest fire fighting assistance by soldiers
- Persistence (1998) — Canadian operation at Peggys Cove, Nova Scotia to recover bodies after crash of SwissAir Flight 111
- Recuperation (1998) — Canadian assistance after major snowstorms in eastern Canada
- Sumatra Assist (2005) — Australian Defence Force humanitarian operations following the 2005 Sumatra earthquake.
- Torrent (1999) — Canadian assistance after earthquake in Turkey
- Lichi (2000) — South African rescue operations in Mozambique after major flooding due to Cyclone Eline
- 2004 Indian Ocean earthquake
- Dorca French assistance in Darfur in 2004
- Unison Canadian response to Hurricane Katrina
- Timeline of United States military operations
- List of amphibious assault operations
- List of Nuclear Tests
- Project Daedalus (British Interplanetary Society study to create a plausible design for an interstellar probe)
- Project Longshot
- Project Jennifer 1974 CIA lifting of a sunken Soviet submarine
- Project RAND
- Project Vanguard
- Norwegian military operations abroad
 Non-military operations
- Bojinka — terrorist plot by al-Qaida members Ramzi Yousef and Khalid Shaikh Mohammed, foiled in 1995
- Clambake — anti-Scientology
- Red Dog — Foiled invasion of Dominica