An Afghan police officer, seen through a window of a U.S. Humvee armored vehicle, stands guard in Kabul, Afghanistan on Wednesday, Dec. 2, 2009. Many Afghans were still sleeping when President Barack Obama announced he was sending 30,000 more U.S. troops to the war. Gen. Stanley McChrystal, the top U.S. commander in Afghanistan, said NATO and U.S. forces would hand over responsibility for securing the country to the Afghan security forces "as rapidly as conditions allow." Obama said if conditions are right, U.S. troops could begin leaving Afghanistan in 18 months. (AP Photo/Musadeq Sadeq)