Seaman Matthew Parry sets a boundary watch during a toxic gas release exercise aboard the Coast Guard Cutter Alex Haley in the Chukchi Sea Aug. 20, 2017. Crewmembers must train to respond to a variety of shipboard emergencies in order to protect their shipmates and ensure the safety of the vessel. Coast Guard photo by Chief Petty Officer Shawn Eggert.

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: alex, cgc, d17, eggert, gas, haley, shawn, toxic, training