1st Brigade Combat Team

• 1 Squadron (disambiguation)
• 1st Brigade (disambiguation)
• 1st Brigade Combat Team, 101st Airborne Division (United States)
• 1st Brigade Combat Team, 10th Mountain Division (United States)
• 1st Brigade Combat Team, 1st Armored Division (United States)
• 1st Brigade Combat Team, 1st Cavalry Division (United States)
• 1st Brigade Combat Team, 1st Infantry Division (United States)
• 1st Brigade Combat Team, 25th Infantry Division (United States)
• 1st Brigade Combat Team, 2nd Infantry Division (United States)
• 1st Brigade Combat Team, 3rd Infantry Division (United States)
• 1st Brigade Combat Team, 4th Infantry Division (United States)
• 1st Brigade Combat Team, 82nd Airborne Division
• 1st Division (disambiguation)
• 1st Regiment (disambiguation)