Annapolis

918662cfbe5a1112540f6a706700bc7e.jpg

A freshman midshipman, known as a "plebe," crawls through a muddy trench underneath barbed wire during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

0dcfaa75be3d1112540f6a7067008231.jpg

Freshman midshipmen, known as "plebes," perform push ups on the banks of the Severn River during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

25285622be3a1112540f6a7067000873.jpg

Freshman midshipmen, known as "plebes," march during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

9d6b4589be391112540f6a706700cb68.jpg

Freshman midshipmen, known as a "plebes," fight against one another with pugil sticks during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

16be3349be431112540f6a706700dafe.jpg

Freshman midshipmen, known as "plebes," hoist sandbags above their heads while performing bicycle kicks during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

d8814345be511112540f6a7067001f0e.jpg

A freshman midshipman, known as a "plebe," holds out a fake rifle as part of an exercise at Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

e7c5e970be231012540f6a7067001ede.jpg

Freshman midshipmen, known as "plebes," perform sit ups with a log across their chests during Sea Trials, a day of physical and mental challenges that caps off their first year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

c51d6826be381112540f6a706700ddc9.jpg

Daniel Smart, bottom, of Miami, Fla., winces as a fellow midshipman helps him with a leg cramp during Sea Trials, a day of physical and mental challenges for freshman midshipmen, known as "plebes," that caps off their first year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

4ede22f1be391112540f6a7067008ae0.jpg

Jonathan Freel, center, of Houston, eats mustard in an attempt to avoid cramps during a short break in Sea Trials, a day of physical and mental challenges for freshman midshipmen, known as "plebes," that caps off their first year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

bfd639f8be261112540f6a706700872e.jpg

Phillip Metcalfe of Plano, Texas, screams as he lifts a log during Sea Trials, a day of physical and mental challenges for freshman midshipmen, known as plebes, that caps off their first year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

842f0b4ebe491112540f6a7067005519.jpg

Freshman midshipmen, known as "plebes," perform sit ups on the banks of the Severn River during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)

450bb60cbe671212540f6a706700b6a6.jpg

A freshman midshipman, known as a plebe, crawls through a muddy trench underneath barbed wire during Sea Trials, a day of physical and mental challenges that caps off the freshman year at the U.S. Naval Academy, in Annapolis, Md., Tuesday, May 13, 2014. (AP Photo/Patrick Semansky)