Lance Cpl. Christopher Alvarez, a combat engineer with Special Purpose Marine Air-Ground Task Force - Southern Command, cuts boards to length during a command post exercise at Marine Corps Base Camp Lejeune, North Carolina, April 9, 2020. The boards were used to make levels in order to distribute the freshly poured concrete. The Marines and Sailors of SPMAGTF-SC use the training opportunity of the CPX to both show their capabilities in a controlled environment and prepare for the upcoming mission. SPMAGTF-SC is poised to conduct crisis response, theater security cooperation, and general engineering training alongside partner nation militaries in Latin America and the Caribbean. Alvarez is a native of Portland, Oregon. (U.S. Marine Corps photo by Cpl. Benjamin D. Larsen)