A U.S. Naval Academy Midshipman 4th Class pulls himself along. A U.S. Naval Academy Midshipman 4th Class pulls himself along a Marine Corps-style obstacle course during Sea Trials at the U.S. Naval Academy in Annapolis, Md., on May 15, 2007. Sea Trials are considered a rite of passage marking the end of freshman year at the Academy. The event challenges the midshipmen mentally and physically highlighting teamwork and communication skills. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 656945-S-GGM08-536.jpg Photo Gallery