The first of 12 instructors at Lackland Air Force Base (AFB) was sentenced to 20 years in prison for a conviction of rape and sexual assault charges.
Staff Sgt. Luis Walker guilty on all 28 charges he faced, including rape, aggravated sexual contact and multiple counts of aggravated sexual assault by the military jury in San Antonio on Friday.
Walker is among 12 Lackland instructors investigated for sexual misconduct toward at least 31 female trainees. Six instructors have been charged, on counts ranging from rape to adultery, and Walker was the first to stand trial. Walker also faced the most serious charges of all those accused.