MUD PACK A plebe navigates the low crawl obstacle during Sea Trials at the U.S. Naval Academy, Annapolis, Md., May 18, 2010. Sea Trials is the capstone training evolution for the Naval Academy freshmen class. The plebes are physically and mentally challenged to navigate and work together through long-distance group runs, damage control scenarios, water training and a wide range of obstacle courses. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 957472-U-TPP34-608.jpg Photo Gallery