Shoulder sleeve insignia, 11th Armored Division, the Thunderbolt Division, issued to Captain James Edward Kirkebo, who served in the US Army from 1940-1945, and fought in Europe from December 1944-May 1945. The patch colors represent the military branches that form an armored division: yellow for cavalry, blue for infantry, and red for artillery. The symbols are for characteristics: tank track, mobility and armor protection; cannon, fire power; red flash of lightning, shock action. Kirkebo, 19, enlisted in the US Army in 1940 and, in August 1942, 2nd Lt. Kirkebo became commanding officer, C...