Airman 1st Class Benjamin Slye, 28th Maintenance Squadron engine test cell technician, attaches collection bottles to a B-1 bomber engine in the engine test cell at Ellsworth Air Force Base, S.D., Sept. 12, 2014. Bottles are used during testing to collect excess fluids from the engine to reduce leakage. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/ Released)