U.S. Marines with the 8th Engineer Support Battalion, 2nd Marine Logistics Group reinstall a window pane after applying a waterproof seal to the glass during the renovation of a library Aug. 14, 2014, in Puerto Barrios, Guatemala, as part of Southern Partnership Station (SPS) 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.