ELLSWORTH AIR FORCE BASE, S.D. -- Airmen 1st Class Danielle Tompkins, 34th Aircraft Maintenance Unit weapons apprentice, conducts maintenance on the B-1B Lancer's weapon bay, Oct. 28. Airmen ensure they wear all the proper cold weather gear while working outside. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)