Averaging all four military branches, women officers represent. 7 percent at the rank of Admiral, and 15.5 percent of officers overall. At the rank of Officer W-1 or above, women are most highly represented in the Air Force. (18.5%) and least represented in the Marine Corps (5.8%). This pattern appears the same at the rank of E9 or below. The Air Force has the largest proportion of. women at the rank of E9 or below (19.7%) and the Marine Corps has the smallest proportion of women enlisted personnel (6.4%). The positive finding is that. womenâs percentage in officer ranks in the U.S. military services roughly equals their percentage in enlisted ranks.