Photo essay: Mobility aircraft exercise at Nellis Published Nov. 24, 2010 By Master Sgt. Kevin J. Gruenwald 99th Air Base Wing Public Affairs NELLIS AIR FORCE BASE, Nev. (AFNS) -- Airmen participate in a Mobility Air Forces Exercise conducting air and ground operations as part of the biannual Air Force Weapons School exercise here Nov. 17. View the slideshow.