Air supply

A Regional Dive Locker East diver signals how much air he has remaining after completing an annual hull inspection and cleaning of Coast Guard cutters Hammerhead and Sailfish. U.S. Coast Guard photo by Petty Officer 2nd Class Michael Anderson.

A Regional Dive Locker East diver signals how much air he has remaining after completing an annual hull inspection and cleaning of Coast Guard cutters Hammerhead and Sailfish. U.S. Coast Guard photo by Petty Officer 2nd Class Michael Anderson.


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