LT Robert Watts mans the rails with his division aboard the guided missile cruiser USS JOSEPHUS DANIELS (CG-27) after the ship passes under the Bridge of the Americas. The cruiser is one of five U.S. Navy ships taking part in Unitas XXXI, an annual, joint exercise between the U.S. Navy and the naval forces of nine South American countries. Standard Sm-2 ER missiles can be seen in the Mark 10 launcher in the background