(From Left to Right) Cpl David Linnenkanp, SSgt. Mark Pellon, and Master Sgt. Timothy Otis from Marine Corps Band New Orleans perform a jazz ensemble for the local residents and distinguished guest during the Marine Forces Reserve Centennial Celebration concert at the Centro De Bellas Artes in Humacao, Puerto Rico, Oct 19, 2016. The Marine Forces Reserve is commemorating 100 years of rich history, heritage, Espirit-de-corps across the U.S. This celebration recognizes the Reserve's essential role as a crisis response force and expeditionary force in readiness, constantly preparing to augment the active component. (U.S. Marine photo by Master Sgt. John A. Lee, II / Released)