NGO, nongovernmental organization - an organization that is not part of the local or state or federal government

military operation, operation - activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"

combat mission - a mission to capture or defend something

search mission - a mission to discover something

search and destroy mission - an operation developed for United States troops in Vietnam; troops would move through a designated area destroying troops as they found them

direct support - a mission requiring one force to support another specific force and authorizing it to answer directly the supported force's request for assistance

armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"

assignment, duty assignment - a duty that you are assigned to perform (especially in the armed forces); "hazardous duty"

fool's errand - a fruitless mission

mission impossible - an extremely dangerous or difficult mission

martyr operation, sacrifice operation, suicide mission - killing or injuring others while annihilating yourself; usually accomplished with a bomb

work - activity directed toward making or doing something; "she checked several points needing further work"

da'wah, dawah - missionary work for Islam

organization, organisation - a group of people who work together

diplomatic mission - a mission serving diplomatic ends

embassy - an ambassador and his entourage collectively