Kindsbach Combat Operations Center, 1972-74 (Source: Robert Jordan) Main Entrance to the Cave (Kindsbach COC) - Insignia on wall inside entrance are from L to R: 86th Tactical Fighter Wing; 2nd Weather Wing; (unknown insignia); Allied Sector Three (hidden by person on left); Det 1, 615th AC&W; (unknown insignia - could be of a Civil Engineering outfit).