TIER 1 The spearhead of the force is a forty-man team made up of operators from the U.S. Army's Delta Force, U.S. Army's INSCOM intelligence unit , the U.S. Navy's DEVGRU, the U.S. Army's 75th Ranger Regiment, the CIA's Special Activities Division, and the U.S. Army's 160th Special Operations Aviation Regiment (a.k.a. SOAR, Nightstalkers.) Other Special Operations contributions will include U.S. Air Force Combat Controllers, and U.S. Air Force Pararescue