Senior Airman Josh Serafin, 5th Aircraft Maintenance Squadron crew chief, collects his headset cord prior to engines of a B-52H Stratofortress starting at Minot Air Force Base, N.D., Jan. 26, 2017. Foreign objects and debris on the flighline, aka FOD, can be pulled into the intake causing damage to the aircraft as well as a safety hazard for the aircrew. (U.S. Air Force photo/Senior Airman J.T. Armstrong)