A B-1 bomber assigned to the 37th Bomb Squadron takes off from the Ellsworth Air Force Base, S.D., flightline March 18, 2016. Ellsworth is scheduled to receive its first Sustainment-Block 16 upgrade in April and upgrades include the Vertical Situation Display, a Fully Integrated Data Link and a Central Integrated System. (U.S. Air Force photo by Senior Airman Hailey R. Staker/Released)