Sgt. Gerson Ferrera, main gunner for the commander's

Sgt. Gerson Ferrera, main gunner for the commander's tank of 3rd Battalion, 116th Heavy Brigade Combat Team, demonstrates the controls for the weapon system on an Abrams M1A2 System Enhanced Package (SEP) Tank during the unit’s annual training at the Orchard Training Center near Boise, Idaho Aug. 23. In all, more than 500 Oregon Army National Guard Soldiers trained at OTC, where commanders evaluated the unique combat readiness of each unit. (U.S. Army photo by 1st Sgt. Kevin Hartman, 115 Mobile Public Affairs Detachment, Oregon Army National Guard)