Naval Surface Warfare Center, Carderock Division Commanding Officer Capt. Mark Vandroff (left) and Technical Director Dr. Tim Arcano pour Potomac River water into a tank as part of the grand opening of the Ballast Water Research Lab in West Bethesda, Md., Dec. 5, 2016. ( Navy photo by Monica McCoy/Released.)

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Size: 6274px × 4041px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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