1st Marine Division brass quintet, directed by Staff Sgt. Alexander Panes, plays a rendition of John Newton’s ‘Amazing Grace’ during the post office dedication ceremony for retired Col. Marcel Jacques ‘Mac’ Dube, held at the United States Post Office of Twentynine Palms, Calif., April 17, 2015. The post office was named in honor of Dube for his significance in the Twentynine Palms community. (Official Marine Corps photo by Pfc. Levi Schultz/Released) - 1st Marine Division brass quintet, directed by Staff Sgt. Alexander Panes, plays a rendition of John Newton’s ‘Amazing Grace’ during the post office dedication ceremony for retired Col. Marcel Jacques ‘Mac’ Dube, held at the United States Post Office of Twentynine Palms, Calif., April 17, 2015. The post office was named in honor of Dube for his significance in the Twentynine Palms community. (Official Marine Corps photo by Pfc. Levi Schultz/Released)