AMM IS THE OLD ABBREVIATION FOR AVIATION MACHINISTS MATE (AMM). ... ACCORDING TO WWII U.S. NAVY RATES, DIVISIONS AND PAY SCALES, THE JOB OF AN AVIATION MACHINIST MATE WAS TO, "ASSEMBLE, SERVICE AND REPAIR AIRPLANES AND AIRPLANE ENGINES. SPLICE AIRCRAFT WIRING. KNOW PRINCIPLES AND THEORY OF FLYING".  CHARLES IS THE FATHER OF ATN2 JAMES C. WLADYKO, USN (LISTED HEREIN).