Keywords: SIFOREX 2012 120530-N-NL541-018.jpg en U S Navy Gas Turbine Systems Mechanical 2nd Class Derick Simpkins examines a fuel sample after conducting a bottom sediment water test aboard the guided missile frigate USS Underwood FFG 36 during Silent Forces Exercise May 30 2012 in the Pacific Ocean SIFOREX is a biennial bilateral naval exercise that provides the opportunity for U S and Peruvian surface and air forces to work with the Peruvian navy's diesel submarine fleet SIFOREX is part of Southern Seas a U S Southern Command-directed operation designed to strengthen relationships with regional partner nations and improve operational readiness for all assigned units U S Navy photo by Mass Communication Specialist 2nd Class Stuart Phillips/Released 2012-05-30 Stuart Phillips https //www dvidshub net/image/602378 120530-N-NL541-018 2012-06-14 04 35 PACIFIC OCEAN AT SEA PD-USGov-Military-Navy USS Underwood FFG-36 Images from DoD uploaded by Fæ |