JOINT BASE SAN ANTONIO-RANDOLPH, Texas – Dos Equis, formerly named XX by the Air Force, makes himself at home under Lt. Col. Michael Beach’s chair. Beach, the operations division chief at the Air Education and Training Command, began fostering the now-three-month-old Belgian Malinois when he was six weeks old. Beach will spend the next several months socializing Dos Equis, preparing him to enter the Military Working Dog Training Program. (U.S. Air Force photo/Breanne Smith)