U.S. military and clandestine operations in foreign countries since World War II: 

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Nicaragua (1981–1990): American engagement in the country, included backing the rebels in the country's civil war.

Lebanon (1982–1984): The disputed Beirut barracks bombings and the US military's involvement with the nation during the Lebanese Civil War.

Grenada (1983): Under the codename "Operation Urgent Fury," the United States intervened in Grenada with the intention of toppling a Marxist government.

United States involvement in military operations and peacekeeping in the Bosnian War (1993–1995).

Afghanistan (2001–2021): In the aftermath of the 9/11 attacks, the USA invaded Afghanistan and subsequently sent troops there.