Guatemalan marines assigned to the Marine Brigade sing the Guatemalan national anthem during a closing ceremony for the Guatemala portion of Southern Partnership Station (SPS) 2014 at the Marine Brigade base in Puerto Barrios, Guatemala, Aug. 22, 2014. SPS is an annual deployment of U.S. ships to the U.S. Southern Command's area of responsibility in the Caribbean and Latin America. The exercise involves information sharing with navies, coast guards and civilian services throughout the region.