U.S. Marine Corps Lance Cpl. Wesley Vermillion, left,

U.S. Marine Corps Lance Cpl. Wesley Vermillion, left, and Lance Cpl. Peter Bishop, right, both combat engineers with 7th Engineer Support Battalion, Special Purpose Marine Air-Ground Task Force 7, emplace an engineer stake into the ground at the California-Mexico Border, Nov. 30, 2018. U.S. Northern Command is providing military support to the Department of Homeland Security and U.S. Customs and Border Protection to secure the Southern border of the United States. (U.S. Marine Corps photo by Lance Cpl. Brendan Mullin)