English: One of the Martial Arts Instructors from Marine Corps Recruit Depot San Diego, motivates Air Force Junior Reserve Officer Training Corps by doing the arm strech with the cadets. The 116 cadets came from Cathedral High School, Elsinore High School, Santiago High School, and Vista High School are attending a six day AF JROTC summer challenge. The afternoon of day five consisted of the cadets taking on the Confidence Course. This is a basic training experience for the cadets while developing leadership, teamwork, and esprit de corps," said retired Senior Master Sgt. Marvin Morris, Enlisted AF JROTC instructor from Elsinore High School. Morris says this is the first time they have done any training at MCRD and is a good orientation of the military for the first year cadets.