Coast Guard Reserve Port Security Unit 301 boarding team members clear a room during Boarding Team Member training on Coast Guard Base Cape Cod, Massachusetts, Wednesday, March 29, 2017. Using blue guns, members of PSU 301 go through a ship-in-a-box which simulates the inside of large ships such as a cargo vessel.

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Size: 1732px × 1155px
Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
Model Released: No

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