NELLIS AIR FORCE BASE, Nev. -- Col. William Brandt, 432d Operations Group commander, and Col. James McKenzie, 432d Maintenance Group commander, welcome Airmen on the Nellis flightline, March 5 as they returned home from supporting Operation Unified Response. Airmen assigned to the 432d Wing returned home from the first-ever humanitarian deployment of an RQ-1 Predator. (U.S. Air Force photo/Tech. Sgt. Michael R. Holzworth)