31st Military Police Detachment (Source: Dick Burch) LTC Thomas J. Briggs APM, 31st MP Det, standing on the right of Sgt. Maj. Jerry Derr, APM OPNS SGT conducts inspection in front of the Stuttgart MP Station 1970-71. Sgt. Maj. Derr is looking to his right right and you see LTC Brigg's head, making a trick photo.