Sailors climb the shrouds aboard USS Constitution as part of the 2011 up-and-overs training.

110309-N-7642M-150 
CHARLESTOWN, Mass. (March 9, 2011) Sailors climb the shrouds aboard USS Constitution as part of the 2011 up-and-overs training. Sailors climb up and down the shrouds during the training to become comfortable with heights in order to set the sails. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kathryn Macdonald/Released)

110309-N-7642M-150 
 CHARLESTOWN, Mass. (March 9, 2011) Sailors climb the shrouds aboard USS Constitution as part of the 2011 up-and-overs training. Sailors climb up and down the shrouds during the training to become comfortable with heights in order to set the sails. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kathryn Macdonald/Released)