List of military 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 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.
Pakistan Assist (2005)  — Australian Defence Force humanitarian operations providing support after the 2005 Kashmir earthquake.
Peregrine (2003)  — 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.
Pyramid (1996)  — Victoria, British Columbia Canadian Army Reserve assistance by soldiers after heavy snowstorm (1 metre deep) in Victoria, British Columbia.
Recuperation (1998)  — Canadian assistance after major snowstorms in eastern Canada.
Sumatra Assist (2005)  — Australian Defence Force humanitarian operations following the 2005 Nias–Simeulue earthquake.
Torrent (1999)  — Canadian assistance after the 1999 İzmit earthquake in Turkey.
Lichi (2000)  — South African rescue operations in Mozambique after major flooding due to Cyclone Eline.
2004 Indian Ocean earthquake
Tsunami Assist 
Sea Wave  which included:
Mother (mainland relief)
Mandat (Andaman and Nicobar Islands)
Rainbow (Sri Lanka)
Castor (Maldives)
Ghambir (Indonesia)
Dorca (2004)  — French assistance in Darfur.
Unison (2005)  — Canadian response to Hurricane Katrina.

Other: 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 by KKK-aligned white-supremacist mercenaries

References: 

External links: Canadian Department of National Defence — Past Operations
The Art of Naming Operations
A Name Too Far
WW2DB: List of Axis Operations
WW2DB: List of Allied Operations
: عملية Operación Opération Operation 行动 Операция: A poem by Moez Surani comprising the names of military operations by member states of the United Nations from the founding of the UN to the present.

Bibliography: Conboy, Kenneth and James Morrison (1995). Shadow War: The CIA's Secret War in Laos. Paladin Press. ISBN 0-87364-825-0.