US Army troops lay on the ground as they take part in a joint military exercise with Indian Army troops called Yudh Abhyas 2011-12 in the desert near Bikaner, in the western Indian state of Rajasthan, Tuesday, March 13, 2012. The U.S. army is being represented by troops from 25 Infantry Division in the two-week long exercise that began March 5. (AP Photo/Dinesh Gupta)