Air Force Airman 1st Class Christopher Smith wipes a B-2 Spirit landing gear strut. Air Force Airman 1st Class Christopher Smith wipes a B-2 Spirit landing gear strut during a pre-flight inspection at Nellis Air Force Base, Nev., on March 1, 2005. The aircraft is participating in Exercise Red Flag at Nellis. Smith is a crew chief assigned to the 509th Aircraft Maintenance Squadron, deployed from Whiteman Air Force Base, Mo., for the exercise. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 680527-Q-ZEA34-542.jpg Photo Gallery