U.S. Air Force B-1B Lancer pilots and weapon systems officers assigned to the 9th and 345th Bomb Squadrons perform pre-flight checks at Dyess Air Force Base, Texas, Nov. 22, 2016. The 345th BS aircrew fly with the 9th BS on a regular basis as part of Total Force Integration. Under TFI, active-duty and Reserve Airmen at Dyess serve side-by-side to uphold the mission. (U.S. Air Force photo by Senior Airman Kedesha Pennant)