Lance Cpl. Ethan A. Zepeda, a network administrator

Lance Cpl. Ethan A. Zepeda, a network administrator with Headquarters and Headquarters Squadron and a San Antonio native, takes a stance during Security Augmentation Force training aboard Marine Corps Air Station Miramar, Calif., April 16. During the first week of the 10-day training, Marines spent time in the classroom learning everything from standard operating procedures for field interviews to detaining a suspect using defensive tactics.