180324-N-SM577-0072 BOSTON (March 24, 2018) Master-at-Arms 2nd Class Matthew Martinez, assigned to USS Constitution, shows a JROTC cadet how to properly load a replica 24-pound long gun while participating in a gun drill evolution at Marine Maritime Academy. Constitution Sailors visited Maine Maritime Academy to teach JROTC cadets teamwork and history through gun and pike drills. (U.S. Navy photo by Mass Communication Specialist 3rd Class Casey Scoular/Released)