U.S. Air Force Tech. Sgt. Derrell Speights, 7th Equipment Maintenance Squadron Air Force ground equipment instructor, trains his Airmen April 1, 2015, at Dyess Air Force Base, Texas. Speights has an identical twin brother, who is also stationed at Dyess. In their 14 years of being active duty military, this is the first time they are stationed together at the same base. (U.S. Air Force photo by Senior Airman Shannon Hall/Released)