Combat engineers with Special Purpose Marine Air-Ground Task Force - Southern Command distribute concrete during a command post exercise at Marine Corps Base Camp Lejeune, North Carolina, April 10, 2020. The slab was created in order for the combat engineers to construct a short term building. 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. (U.S. Marine Corps photo by Cpl. Benjamin D. Larsen)