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170112-N-PO203-052
170112-N-PO203-052 DAHLGREN, Va. (Jan. 12, 2017) Tom Boucher, second from right, program manager for the Electromagnetic Railgun at the Office of Naval Research (ONR), talks to Rear Adm. David Hahn, chief of naval research, during a visit to the railgun facility onboard Naval Surface Warfare Center, Dahlgren Division. The Railgun is a long-range weapon that fires projectiles using electricity instead of chemical propellants. (U.S. Navy photo by John F. Williams/Released)

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Photo by: John Williams |  VIRIN: 170112-N-PO203-052.jpg