Petty Officer 3rd Class Caleb Critchfield
JEFFERSON PARISH, La. Petty Officer 2nd Class Ryan Johnson, a marine science technician from Coast Guard Sector Seattle, Wash., observes the state of an oil-impacted beach, taking note of the water, sand and debris during a shoreline assessment on Grand Terre Island 2 in Grand Isle, La., June 16, 2010. Working closely with contracted cleanup crews, Coast Guard shoreline assessments allow Coast Guard personnel to observe and report the progress of beach clean up and identify new areas of impact for the Deepwater Horizon Response. U.S.