Eleventh Air Force
Established on 28 December 1941 as the Alaskan Air Force at Elmendorf Field, Alaska Territory. 11 AF was a United States Army Air Forces combat air force in the American Theater of World War II, providing air defense of Alaska and engaging in combat operations primarily in the Aleutian Islands and Northern Pacific during the Aleutian Islands Campaign.
11th Army (Austria-Hungary)
The Eleventh Army was formed in March 1916 on the Italian Front, where it remained active until the end of the War. 
It participated in the