(Addressed as "Colonel")

Brigade level Commander

(Addressed as "Colonel")

Battalion Commander

Responsible for up to 300 Battalion personnel

Final say on all Battalion operations

(Addressed as "Major")

Key staff officer/executive officer

In charge of Battalion staff

Second in chain of command for battalion

(Addressed as "Captain")

Company Commander

Responsible for company of up to 160 personnel

Answers to Battalion Commander

(Addressed as "Lieutenant")

Company Executive officer

Has had platoon leader experience

Performs as commander in absence of company commander

(Addressed as "Lieutenant")

Normally a platoon leader

Can perform as staff officer

Responsible for staff section or 30 person platoon

(Addressed as "Sergeant Major")

Senior enlisted for all elements battalion and higher

Oversees all operations and training

Responsible for unit history, traditions, and standards

(Addressed as "Sergeant Major")

Senior staff NCO for battalion, Brigade, and Division

Oversees all operations and training

Can stand in for Command Sergeant Major

(Addressed as "First Sergeant")

Top NCO for company element

Responsible for up to 140 personnel

Ensures training and standards of company

(Addressed as "Sergeant")

Normally the senior staff NCO

Responsible for 7 - 30 personnel

Can perform duties of First Sergeant

(Addressed as "Sergeant")

Platoon sergeant of staff NCO

Responsible for up to 30 personnel

(Addressed as "Sergeant")

Squad leader of staff NCO

With experience, can perform duties as Platoon Sergeant

Responsible for 3 - 7 personnel

(Addressed as "Sergeant")

Squad leader or staff NCO

Responsible for 3 - 7 personnel

(Addressed as "Corporal")

Team leader or staff NCO

Responsible for 1 - 2 personnel

First step in NCO chain

(Addressed as "Private" or "PFC")

Performs daily functions and duties

With experience, can perform duties of team leader

(Addressed as "Private")

New member of command

Responsible to perform daily functions and duty