U.S. Air Force Chief Master Sgt. Raymond Mott, 7th Bomb Wing command chief, speaks during a commander’s call at Dyess Air Force Base, Texas, June 5, 2017. He revealed the Air Force is going to increased 325,500 Airmen and talked about grit, which he defined as the persistence to get better despite the odds. (U.S. Air Force photo by Senior Airman Kedesha Pennant)