32497) Patch USAF 56th Equipment Maintenance Squadron Badge Insignia Military. This is an original Patch USAF 56th Equipment Maintenance Squadron Badge Insignia Military. This is about 3 inches by about 3 ¾ inches. This is used. This is Vietnam War or Post Vietnam War Manufactured. Please see photos for ID & condition. What you see is what you will receive. See photos for condition. We only ship with delivery confirmation. Save our eBay Store we add NEW items daily.