AETC Leaders share Holiday Message Published Nov. 24, 2015 Air Edcuation and Training Command Public Affairs JOINT BASE SAN ANTONIO-RANDOLPH, Texas -- Lt. Gen. Darryl Roberson, commander of Air Education and Training Command, and Chief Master Sgt. Gerardo Tapia, AETC command chief, want to wish the Airmen and families of AETC a safe and happy holiday.