<P> On February 5, 1959, the new Air Force regulation governing the titles of enlisted ranks was released; the only change being direction that the title for E-1 was changed from basic airman to the current airman basic . </P> <P> Under normal circumstances, airmen basic are eligible for promotion to airman (E-2) after six months' time in grade (TIG). However, individuals enlisting for six years are promoted from AB to airman first class (A1C) upon completion of either technical training (or 20 weeks thereof) or the indoctrination course for combat control or pararescue . </P> <P> In accordance with AFI 36 - 2502, Airman Promotion Program, all promotions from AB require that an airman's immediate commanding officer approve the promotion in writing before he or she may assume it . </P>

When does an airman basic become an airman
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