III contains the complete list of authorized SEIs and includes designation criteria and authorized AFSC combinations. (AFMAN 36-2100) See also Badges of the United States Air Force List of United States Army careers List of United States Marine Corps MOS List of United States Navy ratings List of United States Navy staff corps List of United States Coast Guard ratings Military education and training References External links AFMAN 36-2100, Military Utilization and Classification (PDF) Tactical Aircraft Maintenance AFSC 2A3X3 Air Force Career U.S. Air Force Officer Classification Directory (AFOCD) and U.S. Air Force Enlisted Classification Directory (AFECD) – Only accessible to military personnel United States Air Force lists