Marines and sailors place sandbags to create a retaining wall - Marines and sailors stationed at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif. filled sandbags and built a retaining wall on July 27, 2019. The retaining wall’s purpose is to redirect the flow of water and prevent it from encircling the home in the event of a flash flood. (U.S. Marine Corps photo by Cpl. Carley Vedro)