Marines with Special Purpose Marine Air-Ground Task Force - Southern Command ensure a stairwell is clear of enemy threats during a field exercise at Camp Lejeune, North Carolina, May 7, 2020. The Marines train and perform a variety of infantry skill evaluations during the field exercise to help sharpen their overall capabilities. These training events assist the Marines and Sailors when working alongside partner nations in Latin America and the Caribbean with crisis response preparedness, security cooperation training, and engineering projects. (U.S. Marine Corps photo by Cpl. Benjamin D. Larsen)