Major Command

Major Command or Major Commands are large formations of the United States Armed Forces. Historically, a Major Command is the highest level of command. Within the United States Army, the acronym MACOM is used for Major Command. Within the United States Air Force, the acronym MAJCOM is used.

There are several types of Major Commands in the United States military:

• List of Major Commands of the United States Air Force
• List of Major Commands of the United States Army
• Naval Education and Training Command of the United States Navy

Military organization
Typical units Typical numbers Typical commander fireteam 2–4 lance corporal, corporal squad, section 5–14 corporal, sergeant, staff sergeant platoon, troop 15–45 second lieutenant, first lieutenant, lieutenant company, battery, squadron 80–250 first lieutenant, captain, major battalion, cohort 300–1000 major, lieutenant colonel regiment, brigade, legion 1,000–5,500 colonel, brigadier general division 10,000–25,000 major general corps 30,000–50,000 lieutenant general field army 100,000–300,000 colonel general, general army group, front 2+ field armies field marshal, general, admiral region, theater 4+ army groups marshal of the air force, general of the army, admiral of the fleet