Marines salute the colors during an anniversary ceremony at Camp Lejeune, N.C., Oct. 6, 2017. Marines of past and present gathered to commemorate the 100th anniversary of the inception of 8th Marine Regiment. The unit was established Oct. 9, 1917. (U.S. Marine Corps photo by Pfc. Nicholas Guevara) - Marines salute the colors during an anniversary ceremony at Camp Lejeune, N.C., Oct. 6, 2017. Marines of past and present gathered to commemorate the 100th anniversary of the inception of 8th Marine Regiment. The unit was established Oct. 9, 1917. (U.S. Marine Corps photo by Pfc. Nicholas Guevara)