USAF SECURITY POLICE BADGE with 3 Prongs on Back of Badge (Chrome Finish) Regulation FULL Size Metal Badge measuring 2 7/16" X 1 1/2" (this is NOT a miniature badge) Looking for the best? Here it is! Our regulation size U.S. Air Force Security Police Badge speaks for itself. It is engraved with the finest techniques and detailed with the utmost care. This badge has 3 prongs on the back which make it a comfortable fit for wearing on your uniform.. Laser Engraving:: Highly Recommended – more technologically advanced, clearer cut, hand-blasted, then finished with a laser engraving machine. A more professional look. Allow 2 to 6 weeks for completion. Average completion time is 2 to 4 weeks - exceptions during Holidays (time frame is not a guarantee, but rather an estimate).