Photo Credit: Air Force Tech. Sgt. Michael R. Holzworth
Staff Sgt. Hector Hoyas, an Aerial Delivery Field Service Department instructor from Fort Lee, Va., and Senior Airman Matthew Phillips, an airborne pavements and equipment operator, from the 820th Red Horse Squadron, turn away from the prop wash as a Nevada Army National Guard 1st General Support Aviation Battalion, 189th Aviation Regiment CH-47 Chinook helicopter takes off with a Humvee sling-load, April 15, 2011. For more photos like this check out the 2011 Army Year in Photos at http://www.army.mil/yearinphotos/2011/.