Performing a pre-flight check
WHITEMAN AIR FORCE BASE, Mo. -- U.S. Army Capt. Joel A. Lewis, 1-135th Attack Reconnaissance Battalion AH-64D Apache Longbow pilot, prepares to fly a training sortie on an AH-64D Apache Longbow April 24, 2012.During the past eight months, the 1-135th ARB has received 20 helicopters to replace an older model. (U.S. Air Force photo/Senior Airman Nick Wilson) (Released)