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170402-N-PO203-024
170402-N-PO203-024 NATIONAL HARBOR, Md. (April 2, 2017) Rear Adm. David Hahn, chief of naval research, kicks-off the 2017 Naval Stem Exposition, co-sponsored by the Navy League of the United States and the Office of Naval Research. The event offers hands-on activities and provides middle and high school students an introduction to naval STEM careers and educational opportunities. (U.S. Navy photo by John F. Williams/Released)

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Photo by: John Williams |  VIRIN: 170402-N-PO203-024.JPG