GRISSOM AIR RESERVE BASE, Ind., -- Master Sgt. Everett Liggett (left), 434th Maintenance Group, briefs Junior ROTC cadets on some of the equipment used by aircraft maintenance personnel at Grissom. As part of "JROTC Day" activities at the base, more than 190 cadets visited interactive displays and talked with members of the Air Force, Army and Marine Corps. (U.S. Air Force photo/Lt Col Gary Lockard)