In this Thursday, June 14, 2012 photo provided by the U.S. Army, U.S. military vehicles sit in a yard ready to be shipped back to the United States or other locations as part of drawdown of 23,000 U.S. troops by Sept. 30, 2012 at the Kandahar Air Field south of Kabul, Afghanistan. The U.S. military has started the process of moving out thousands of MRAPS, Humvees and other vehicles as part of the drawdown of 23,000 U.S. troops by the end of September. It is a massive logistical undertaking involving several yards on bases around the country. (AP Photo/U.S. Army, Staff Sgt. Michael Behlin.)