1. Ranks and Units

2. Enlisted-Army

4. Company Grade
Field Grade

5. General Officers

6. Division (3-5 Brigades, commanded by a General)
Military Units plus Corps and Army
Division (3-5 Brigades, commanded by a General)
Brigade (3-5 Regiments, commanded by a General)
Regiment (3-4 Battalions,…Col. or Brigadier Gen.)
Battalion (3-5 Companies,…Lt. Col., men)
Company (3-4 Platoons, Captain, men)
Platoon (3-4 Squads,2nd Lieutenant, men)
Squad (Sergeant, 6-10 men)
USMC Squad
(Vietnam Era)

7. Combat Infantry Badge