BLACKHAWK TRAINING UH-60 Blackhawks assigned to the Arizona Army National Guard's 2-285 Assault Helicopter Battalion depart Papago Park Military Reservation in Phoenix for Fort Sill, Okla., Ariz., Oct. 6, 2009. Upon arrival, the Blackhawk crews will begin training for a one-year deployment to Iraq. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 052411-C-ANH68-101.jpg Photo Gallery