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United States Naval Academy freshmen endure 14-hour Sea Trials

Chip Somodevilla / Getty Images

A member of the United States Naval Academy freshman class wears body armor, helmet and carries a rifle through a mud-filled ditch as part of the "Wet and Sandy" challenge during the rigorous Sea Trials May 17, 2011 in Annapolis, MD. Under strict safety supervision, about 900 freshmen, or "Plebes," faced 14 hours of 32 rigorous physical and mental challenges during the trials, a daylong, action-oriented event modeled after the Marine Corps 54-hour Crucible and the Navy's Battle Stations.

Chip Somodevilla / Getty Images

Members of the United States Naval Academy freshman class participate in the pipe patching exercise during the rigorous Sea Trials May 17, 2011 in Annapolis, Maryland. Under strict safety supervision, about 900 freshmen, or "Plebes," faced 14 hours of 32 rigorous physical and mental challenges during the trials, a daylong, action-oriented event modeled after the Marine Corps 54-hour Crucible and the Navy's Battle Stations.

Chip Somodevilla / Getty Images

Members of the United States Naval Academy freshman class link arms and lay back into the Severn River as part of the "Wet and Sandy" challenge.

Chip Somodevilla / Getty Images

A United States Naval Academy freshman pours water out of her boot and eats a quick snack during the rigorous Sea Trials in Annapolis.

Chip Somodevilla / Getty Images

Members of the United States Naval Academy freshman class push through tough physical exercise.

Chip Somodevilla / Getty Images

Members of the United States Naval Academy freshman class Company 16 lead a two-mile run across the Naval Academy Bridge during the rigorous Sea Trials.

Chip Somodevilla / Getty Images

A member of the United States Naval Academy freshman class carries another during tough physical exercise.