Summer school in session
EGLIN AIR FORCE BASE, Fla. -- U.S. Air Force Academy Cadet Bryan Holtz get a first hand look as Robert Ingram explains how an Ultradex, a device used to measure angles, is used to calibrate clinometers and electronic levels at the Precision Measurement Equipment Laboratory June 15. Nearly 75 Academy cadets will visit for three weeks this summer as they participate in Operation Air Force, a learning program for cadets to participate in day-to-day experiences and knowledge of the Air Force. (U.S. Air Force photo by Capt. Josie Stewart)