Marines with Tactical Training Exercise Control Group stand at attention during an Australian and New Zealand Army Corps (ANZAC) Day celebration aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., April 25, 2017. ANZAC Day recognizes the anniversary of the landing of Australian and New Zealand forces during the Battle of Gallipoli in World War I. (U.S. Marine Corps photo by Sgt. Connor Hancock) - Marines with Tactical Training Exercise Control Group stand at attention during an Australian and New Zealand Army Corps (ANZAC) Day celebration aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., April 25, 2017. ANZAC Day recognizes the anniversary of the landing of Australian and New Zealand forces during the Battle of Gallipoli in World War I. (U.S. Marine Corps photo by Sgt. Connor Hancock)