Senior Master Sgt. Carmelo Vega Martinez teaches Afghan air force airmen the English language during a class, Feb. 23, 2014, Kabul, Afghanistan. When not volunteering to teach English, Vega Martinez advises the Afghan air force on how to establish and sustain a recruiting service. Vega Martinez, a Ponce, Puerto Rico native, is deployed from the 368th Recruiting Squadron, Hill Air Force Base, Utah. Airmen from the 438th AEW/NATC-A are playing a vital role in Operation Enduring Freedom as advisers tasked with aiding the Afghan government in establishing an operational and sustainable Afghan Air Force. (U.S. Air Force photo/Tech. Sgt. Jason Robertson)