1st Battalion, 75th Ranger Regiment 3rd Battalion, 1st Special Forces Group 101st Airborne Division (Air Assault) 2nd Ranger Battalion 75th Ranger Regiment 1st Battalion, 5th Marines 1st Battalion, 7th Cavalry Regiment 3rd Battalion, 7th Infantry Regiment 1st Battalion, 32nd Infantry Regiment 4th Battalion, 3rd Infantry Regiment 1st Battalion, 1st Infantry Regiment 2nd Battalion, 23rd Infantry Regiment 1st Battalion, 187th Infantry Regiment 1st Battalion, 506th Infantry Regiment 2nd Battalion, 75th Ranger Regiment 1st Battalion, 10th Special Forces Group 1st Battalion, 1st Infantry Regiment (Mechanized) 2nd Battalion, 1st Infantry Regiment (Airborne) 1st Battalion, 5th Marines (Reinforced) 1st Battalion, 1st Marines (Reinforced) 1st Battalion, 8th Marines (Reinforced) 1st Battalion, 1st Marines (Light Armored Infantry) 1st Battalion, 1st Marines (Mechanized Infantry) 1st Battalion, 1st Marines (Airborne Infantry) 1st Battalion, 1st Marines (Amphibious Reconnaissance Battalion) 1st Battalion, 1st Marines (Special Operations Capable) 1st Battalion, 1st Marines (Combined Arms Battalion) 1st Battalion, 1st Marines (Rapid Deployment Force) 1st Battalion, 1st Marines (Expeditionary Unit) 1st Battalion, 1st Marines (Task Force) 1st Battalion, 1st Marines (Special Purpose Marine Air-Ground Task Force) 1st Battalion, 1st Marines (Marine Expeditionary Unit) 1st Battalion, 1st Marines (Marine Special Operations Command) 1st Battalion, 1st Marines (Fleet Marine Force) 1st Battalion, 1st Marines (Force Reconnaissance Company) 1st Battalion, 1st Marines (Intelligence Support Battalion) 1st Battalion, 1st Marines (Combat Service Support Battalion) 1st Battalion, 1st Marines (Engineer Support Battalion) 1st Battalion, 1st Marines (Aviation Combat Element) 1st Battalion, 1st Marines (Logistics Combat Element) 1st Battalion, 1st Marines (Command Element) 1st Battalion, 1st Marines (Ground Combat Element) 1st Battalion, 1st Marines (Air Naval Gunfire Liaison Company) 1st Battalion, 1st Marines (Forward Air Controller) 1st Battalion, 1st Marines (Joint Fires Observer) 1st Battalion, 1st Marines (Close Air Support) 1st Battalion, 1st Marines (Airborne Infantry Battalion) 1st Battalion, 1st Marines (Air Assault Infantry Battalion) 1st Battalion, 1st Marines (Light Infantry Battalion) 1st Battalion, 1st Marines (Mechanized Infantry Battalion) 1st Battalion, 1st Marines (Armor Battalion) 1st Battalion, 1st Marines (Artillery Battalion) 1st Battalion, 1st Marines (Engineer Battalion) 1st Battalion, 1st Marines (Signal Battalion) 1st Battalion, 1st Marines (Military Police Battalion) 1st Battalion, 1st Marines (Medical Battalion) 1st Battalion, 1st Marines (Supply Battalion) 1st Battalion, 1st Marines (Transportation Battalion) 1st Battalion, 1st Marines (Ordnance Battalion) 1st Battalion, 1st Marines (Chemical Battalion) 1st Battalion, 1st Marines (Cyber Warfare Battalion) 1st Battalion, 1st Marines (Civil Affairs Battalion) 1st Battalion, 1st Marines (Psychological Operations Battalion) 1st Battalion, 1st Marines (Special Operations Battalion) 1st Battalion, 1st Marines (Ranger Battalion) 1st Battalion, 1st Marines (Special Forces Battalion) 1st Battalion, 1st Marines (Delta Force Battalion) 1st Battalion, 1st Marines (Navy SEALs Battalion) 1st Battalion, 1st Marines (Green Berets Battalion) 1st Battalion, 1st Marines (Army Rangers Battalion) 1st Battalion, 1st Marines (Air Force Special Operations Command) 1st Battalion, 1st Marines (Marine Corps Special Operations Command) 1st Battalion, 1st Marines (Joint Special Operations Command) 1st Battalion, 1st Marines (National Guard Special Operations Command) 1st Battalion, 1st Marines (State Guard Special Operations Command) 1st Battalion, 1st Marines (Coast Guard Special Operations Command) 1st Battalion, 1st Marines (Federal Bureau of Investigation Special Operations Command) 1st Battalion, 1st Marines (Central Intelligence Agency Special Operations Command) 1st Battalion, 1st Marines (National Security Agency Special Operations Command) 1st Battalion, 1st Marines (Defense Intelligence Agency Special Operations Command) 1st Battalion, 1st Marines (National Reconnaissance Office Special Operations Command) 1st Battalion, 1st Marines (National Geospatial-Intelligence Agency Special Operations Command) 1st Battalion, 1st Marines (Defense Advanced Research Projects Agency Special Operations Command) 1st Battalion, 1st Marines (United States Special Operations Command)

This is a long list, and more names could be generated by varying the numbers and adding descriptive terms (e.g., "Rapid Response," "Recon," "Mountain"). Remember to check for existing unit designations to avoid duplication.