Coast Guard Academy First Class Cadets Marshall Grant, Ali Re, Terry Jung and Third Class Cadet Linda Duncan receive information from Brett Seymore, a member of the National Park Service, before diving in the water near the USS Arizona in Pearl Harbor, Hawaii, Aug. 1, 2018.

Tears of the Arizona, a corrosion study

Cadets at the U.S. Coast Guard Academy conduct a long-term corrosion study on the USS Arizona in Pearl Harbor, Hawaii, that will help to determine when the submerged hull of the sunken ship might collapse and release oil.