Timeline
~1941.The Great War or earlier
1941-1945, The Greatest War on the earth ever.
1945-1960, mainly Korean War
1960-1975, Second Indochina war
1975-2000. Operation URGENT FURY, Operation JUST CAUSE, Operation DESERT STORM, Operation GOTHIC SERPENT, etc.
2000-2010. Operation IRAQ FREEDOM, Operation ENDURANCE FREEDOM, Global War On Terror.
2010-now.