Marines from 1st Battalion, 25th Marine Regiment, 4th Marine Division, participate in dynamic warmups before the start of the Disabled American Veterans 5K run at Fort Independence on Castle Island in Boston, Nov. 12, 2016. The run was part of a series of events celebrating the Marine Corps Reserve Centennial. Reserve Marines have served alongside their active duty counterparts in every clime and place for 100 years, leaving an indelible mark on the battle history of the Marine Corps. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released)