Assigned to Naval Mobile Construction Battalion

 U.S. Navy Equipment Operator 2nd Class Rathana Sem, left, and Equipment Operator 1st Class Jimmy Peterson, both assigned to Naval Mobile Construction Battalion 28, construct the foundation for a Southwest Asia hut in Corinto, Nicaragua, March 22, 2011, during a Southern Partnership Station (SPS) 2011 subject matter expert exchange. 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 involving information sharing with navies, coast guards and civilian services throughout the region. (DoD photo by Mass Communication Specialist 1st Class Jeffery Tilghman Williams, U.S. Navy/Released)