ADVISE AND ASSIST U.S. Defense Secretary Robert M. Gates talks with soldiers and airmen during a trip to Mosul, Iraq, April 8, 2011. Gates held discussions with the troops while taking photos and giving out coins to them. The troops are assigned to the 4th Battalion, 1st Advise and Assist Brigade. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 464726-I-DEL29-121.jpg Photo Gallery