20 December, 1989 Operation Just Cause was launched in Panama to protect American lives, restore the democratic process, preserve the integrity of the Panama Canal Treaty, and apprehend dictator General Manuel Antonio Noriega. One Marine, Corporal Garreth C. Isaak, was killed and three other were wounded during the operation. Previous Article 19 December 1972 Next Article 23 December 1941 Print Day of Month (for ordering)20