A U.S. Marine with the Special Purpose Marine Air-Ground Task Force-Crisis Response-Africa 20.1, Marine Forces Europe and Africa, attaches the barrel assembly to an M240 machine gun during a Tactical Small Unit Leadership Course (TSULC) at Morón Air Base, Spain, March 25, 2020. The purpose of TSULC is to improve leadership at the squad and fire team levels. SPMAGTF-CR-AF is deployed to conduct crisis-response and theater-security operations in Africa and promote regional stability by conducting military-to-military training exercises throughout Europe and Africa.