Source: US National Guard (video statements)
U.S. Army National Guard Soldiers assigned to Task Force Sentinel conduct aerial reconnaissance operations along the southern border. Under the direction of U.S. Northern Command, Joint Task Force–Southern Border aligns efforts to seal the southern border and repel illegal activity and is responsible for full-scale, agile, and all-domain operations, which will allow for more effective and efficient DoD operations. (U.S. Army video by Sgt. Elijah Ingram)