Command Chief Master Sgt. Alexander Del Valle, 12th Air Force (Air Forces Southern), speaks to El Salvadoran Air Force Tech. Sgt. Moisés Rolando Serrano Borjorquez, Aviation Electrician, El Salvadoran Air Force First Sgt. Raul Mauricio Molina Cedillos, aviation technician, during a Subject Matter Expert Exchange at Davis-Monthan Air Force Base, Ariz., March 8, 2018. Chief del Valle spoke to them concerning enlisted structure, development and gender equality. (U.S. Air Force photo by Staff Sgt. Angela Ruiz)