Spc. Christopher Aust, 25, of Harrison, Ark., with the U.S. Army's 4th Brigade Combat Team, 101st Airborne Division out of Fort Campbell, Ky., takes a picture of a rainbow at the Transit Center in Manas, Kyrgyzstan, while riding out a layover on the way home after completing a deployment in Afghanistan Wednesday, Aug. 10, 2011. The 4th Brigade Combat Team, 101st Airborne Division is returning home after a year in Afghanistan as the last brigade to deploy as part of President Obama's 30,000 troop surge. (AP Photo/David Goldman)