ELLSWORTH AIR FORCE BASE, S.D. -- Senior Airman Joshua Ortiz-Mendoza, 28th Mission Support Group client systems technician, removes an ink cartridge from a printer at the 37th Bomb Squadron in order to view inside, March 16. Airman Ortiz-Mendoza checks all components of the printer in order to find the problem. U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)