Vintage 1951 USAF Blue Ike Eisenhower Jacket Size 37L 100% Wool Korean War E-4 Sergeant Insignia (current rank for three stripes would be senior airman) The following info was used to find the rank: Rank structure in 1951 The official Air Force rank structure that included the Sergeant rank with three stripes was established in 1950 and used throughout the Korean War. ? Private (E-1): No stripes ? Private First Class (E-2): One stripe ? Corporal (E-3): Two stripes ? Sergeant (E-4): Three stripes chest 37", waistband 30", length of coat from shoulder to bottom of waistband 20", outer sleeve length 25", shoulders 17" CONDITION: last three photos show some faint whitish marks (left back shoulder, center back, then front left shoulder - possibly dry cleaning would remove?), photo 9 shows a small hole on right lapel, about 1/8", expect signs of wear, the coat does not have a bad smell