Interservice Officer Rank-Unit Comparisons

This resource illustrates the typical chain of command and unit designations among the various military services, to facilitate cross-service comparisons. Given the diversity of unit designations some formations are not included for the sake of clarity. The rank of the officer commanding the unit, as well as the unit strength, are typical for units most commonly encountered, and considerable variation exists in practice, particularly with respect to intermediate echelon Naval forces.

Rank	Army	Marine Corps	Air Force	Rank	Navy
Rank	Army	Marine Corps	Air Force	Rank	Naval Air Force	Fleet
2nd Lieutenant	Platoon	Platoon		Ensign
1st Lieutenant	Platoon	Platoon	Flight	Lieutenant, Junior Grade
Captain	Troop Company	Company		Lieutenant
Major	Squadron Battalion	Battalion	Squadron	Lt. Commander
Lt. Colonel	Squadron Battalion	Battalion	Squadron	Commander	Squadron	Department
Colonel	Regiment Brigade	Regiment	Group Wing	Captain	Wing	Ship
Brigadier General	Brigade	Regiment	Wing	Rear Admiral	Squadron Wing	Squadron Task Group
Major General	Division	Regiment	Numbered Air Force	Rear Admiral	Wing	Group Task Force
Lt. General	Corps Army	Marine Expeditionary Force	Numbered Air Force	Vice Admiral	Naval Air Force Force	Force Numbered Fleet
General	Army Major Command		Air Force Major Command	Admiral	Fleet