Greased lightning
Airman 1st Class Ryan Powers, 2nd Aircraft Maintenance Squadron crew chief, greases latches on a B-52H Stratofortress engine cowling on Barksdale Air Force Base, La., April 11, 2013. Powers is currently enrolled in a field training detachment class. FTD is a six-week course designed to instruct new Airmen from technical school, or Airmen new to the airframe, more detailed aspects of their job, whether they are hydraulics, crew chiefs, or aerospace ground equipment. (U.S. Air Force photo/Airman 1st Class Andrew Moua)