U.S. Army Reserve Staff Sgt. Victor Ovalle, assistant

U.S. Army Reserve Staff Sgt. Victor Ovalle, assistant instructor, Hand Grenade Assault Course (HGAC), Task Force Wolf, negotiates the low-hanging wire obstacle during the HGAC pre-validation during Cadet Summer Training (CST) on Fort Knox, Ky., June 6. The HGAC will teach, mentor, and train the cadets attending CST in proper hand grenade preparation, correct form in different positions, individual movement techniques, and various engagement usage skills. Task Force Wolf, comprised of Soldiers from the 104th Training Division and various other supporting Reserve units, provides U.S. Army Reserve Trainers to facilitate CST, which educates and trains college students to be potential officers and leaders in the U.S. Army. (U.S. Army photo by Staff Sgt. Shejal Pulivarti/released)