According to Air Force Instruction 36-2903, retirees may wear the uniform as prescribed at date of retirement, or any of the uniforms authorized for active-duty personnel, including the dress uniforms. Retirees must not mix uniform items.
Retired Airmen receive the retired lapel button at retirement. Retirees wear the retired lapel button on the left lapel. Retired Airmen whose assignments have included command at squadron, group or wing level are also authorized to wear the command insignia pin on the left lapel, below the retired lapel button.
Retirees whose last assignment before retirement was a first sergeant and/or command chief may wear appropriate chevrons in all instances the uniform is worn.
Retired Airmen should conform with the same standards of appearance, military customs, practices, and conduct in uniform prescribed for active-duty Airmen.
When to Wear the Uniform
Air Force Instruction 36-2903 states retirees may wear the uniform:
-- at occasions of military ceremonies;
-- memorial services, and inaugurals;
-- patriotic parades on national holidays, other military parades or ceremonies in which any active or Reserve U.S. military unit is taking part ;
-- at educational institutions when engaged in giving military instructions or responsible for military discipline; and
-- at social or other functions when the invitation has been influenced by the member's active military service.