Lt. Col. Paul Cancino delivers the oath of enlistment to Matthew Hubbard, Sept. 28, 2017, in front of an A-10 static display at Sheppard Air Force Base, Texas. Hubbard is scheduled to begin Air Force Basic Training at Lackland Air Force Base, Texas, in three weeks. Upon completion, he will become a fourth generation service member in his familiy. (U.S. Air Force photo by 2nd Lt. Jackie Jastrzebski)