Dr. Reginald Beach, Office of Naval Research program officer for littoral geosciences and optics, discusses sponsored research on the changing sea ice, ocean and atmosphere with Navy Adm. Jonathan Greenert, Chief of Naval Operations, during a tour of the exhibit hall at the Naval Future Force Science and Technology EXPO in Washington, D.C., Feb. 4, 2015. Dr. Reginald Beach, Office of Naval Research program officer for littoral geosciences and optics, discusses sponsored research on the changing sea ice, ocean and atmosphere with Navy Adm. Jonathan Greenert, Chief of Naval Operations, during a tour of the exhibit hall at the Naval Future Force Science and Technology EXPO in Washington, D.C., Feb. 4, 2015. SHARE: Download: Full Size (2.29 MB) Tags: photo essays Credit: VIRIN: 311468-B-BFX68-085.jpg Photo Gallery