Maintaining the Spirit Published Nov. 6, 2002 WHITEMAN AIR FORCE BASE, Mo. (AFPN) -- Senior Airman Andrew Neitzert and Airman 1st Class Chad Dietz, both crew chiefs with the 509th Maintenance Squadron here, review aircraft forms during an operational contingency exercise Nov 5. The exercise tests the capabilities of the B-2 Spirit to deploy to an expeditionary airfield. (Photo by Senior Airman Tia C. Schroeder)