150113-N-WL435-140 VALPARAISO, Chile (Jan. 13, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert reviews an automatic rifle used by the Chilean marine corps during a tour of marine corps amphibious base Fort Aguayo. Greenert is in Chile for two days for a counterpart visit with Adm. Enrique Larrañaga, the chief of staff of the Chilean navy, and to learn more about the pacific maritime partner nation's capabilities. (U.S. Navy photo by Chief Mass Communication Specialist Peter D. Lawlor/Released)