181204-N-NB544-1023 VALPARAISO, Chile (Dec. 4, 2018) Cmdr. Jeffery Chao, surgeon for Littoral Combat Group (LCG) 1, speaks to Chilean navy medical officers Lt. Nicolas Wolff, left, and Lt. Jorge Nunez during a tour of the medical facilities aboard the amphibious transport dock ship USS Somerset (LPD 25) during a scheduled port visit to Valparaiso, Chile, Dec. 4, 2018. Somerset is part of LCG-1, which is deployed in support of the Enduring Promise Initiative to reaffirm U.S. Southern Command’s longstanding commitment to the nations of the Western Hemisphere. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Kyle Carlstrom/Released)