War File: U.S. Invasion of Panama (1989) U.S. Army troops in the Panama Invasion 1989   U.S. Invasion of Panama (1989)--A short war between the United States and Panama in 1989 in which the United States invaded Panama in order to secure the Panama Canal and to remove Panamanian dictator Manuel Noriega from power. The U.S. military name for this invasion was Operation Just Cause.   The U.S. Invasion of Panama Began: December 20, 1989 TheU.S. Invasion of Panama Ended: January 31, 1990 The U.S. Invasion of Panama Was Fought Between: United States vs. Panama Location of the U.S. Invasion of Panama : The fighting centered around the Panama Canal Zone, but U.S. forces did occupy the entire country. The U.S. Invasion of Panama Resulted In: American victory The Length of the U.S. Invasion of Panama: 42 days U.S. Invasion of Panama Casualties: American Military Casualties: 23 killed; 325 wounded Panamanian Military Casualties: 205 killed; 1,236 captured by U.S. forces Panamanian Civilian Casualties: Exact number is unknown, but range anywhere from 200 to 4,000     Sources: Secondary Wars and Atrocities of the Twentieth Century Operation Just Cause--Global Security.org Operation Just Cause - Special Operations.Com Operation Just Cause: The Incursion Into Panama--U.S. Army U.S. Invasion of Panama-Wikipedia     Copyright © 1998-2017 History Guy Media; Last Modified: 07.09.17 "The History Guy" is a Registered Trademark