List of military operations
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.
Sentinelle (2015–present)  — Deployment of military troops on French territory following terror attacks.
Vigilance (2001) — Counter-terrorist operations conducted by the state of Arizona.

Reactive counter-terrorist operations: Alliance (2002) — Australian and Indonesian 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

Other/Unknown: 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 [2] (2006)  — 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 to the United Nation Mission of Observers in Prevlaka  (UNMOP).
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).
Flavius (1988)  — SAS action against the IRA in Gibraltar.
Fusion (2003)  — Canada's combined contribution to Allied Harmony and Concordia.
Garden Plot  — US Army plan for assistance to civil authorities.
Héphaïstos (1986–present)  — French Army support to forest firefighting activities during summers.
Highjump (1947)  — US Naval expedition to Antarctica.
Neptune Spear (2011)  — US Navy SEALs operation that killed Osama bin Laden.
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 (1999–1999)  — 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
"Operation Tor Tander (Operation Black Thunderstorm)" (2009)  — Pakistani military operation against Taliban terrorists and their affiliates.
"Operation Rah-e-Nijat (Operation Path to Salvation)" (2009)  — Pakistani military operation against Taliban terrorists and their affiliates.
"Operation Rah-e-Rast (Operation Right Path)" (2009–2010)  — Pakistani military operation against Taliban terrorists and their affiliates
"Operation Zarb-e-Azb (Operation Prophet's Sword)" (2014)  — Pakistani military operation against Taliban terrorists and their affiliates.
"Operation Khyber 1,2,3,4 (Khyber 1,2,3,4)" (2014–2017 continue)  — Pakistani military operation in Khyber agency and surrounding areas against Taliban terrorists and their affiliates.

Law enforcement: 

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.
Operation Bayonet (2017) — Multinational effort to take down darknet site AlphaBay among others.

Anti-child pornography operations: Auxin (2004) — Australian anti-child pornography effort.
Pin (2003) — British-led anti-child pornography effort.

Operations against intellectual property theft: Buccaneer (2001) — International raid on unauthorized software distribution.
D-Elite (2005) — US raid on software infringement operations.
Fastlink (2004) —  International operation against illegally copied computer software.
Site Down (2005) — International effort against illegally distributed films.

Other operations: Ill Wind (1986–89) — FBI investigation into defense contractor bribery and fraud.
Fast Forward (2005) — Mock evacuation of downtown Washington.
Falcon (2005) — Widespread dragnet led by the United States Marshals Service.
Gunrunner (2005–present) — A United States Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) project to stop the flow of firearms into Mexico, to deprive drug cartels of weapons.
Wide Receiver (2006–2008) — A failed sting operation in which ATF attempted allowed guns to travel to Mexico in an attempt to track them to drug lords. The plan failed, and most guns were lost as they moved into Mexico.
Fast and Furious (2009–2011) — A similar operation that caused a scandal when guns allowed to "walk" were used in several violent crimes.
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.
Olympic Games (2008) Joint Israeli/American software attack on Iranian nuclear facilities.
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.
Anaconda (2002–2008)  — French Army operation against illegal gold mining in French Guiana.
Tassergal (2007)  — French Army operation against illegal fishing in French Guiana waters.
Harpie (2008–2016)  — French Army operation against illegal gold mining. Successor of Opération Anaconda.
Temperer (2017) — British Prime Minister Theresa May deployed armed forces on city streets in response to the Manchester Arena Bombing and the subsequent raising of the terror threat level from 'Severe' to 'Critical'.
Varsity Blues (2019) — FBI investigation into college admissions fraud
See also:

U.S. Involved Law Enforcement Operations: 

Humanitarian operations: Ezra and Nehemiah (aka Ali Baba) (1950–1952)  — Mass migration/airlift of Iraqi Jews from Iraq to Israel.
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 of the Red River.
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.