AFGHAN VISIT U.S. Army Gen. David H. Petreaus, the commander of U.S. and coalition forces in Afghanistan, greets U.S. Defense Secretary Robert M. Gates upon his arrival in Kabul, Afghanistan, March 7, 2011. Gates is in Afghanistan to visit troops, meet with Afghanistan President Hamid Karzai and talk with NATO military leaders about progress made toward transitioning security responsibility to Afghan forces, starting in July. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 933844-O-QMO39-542.jpg Photo Gallery