Petty Officer 1st Class Jeff Crews, a marine science technician with the Coast Guard Sector Juneau response department, marks a damaged section of a shipping container with chalk in Juneau, Alaska, June 19, 2015. Crews and other inspectors at Sector Juneau examine containers and vessels to determine if they pose a safety hazard to mariners or the environment. (U.S. Coast Guard photo by Petty Officer 2nd Class Grant DeVuyst)
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