Master Sergeant

A Master Sergeant is the eighth enlisted rank in the United States Army, just above Sergeant First Class, below Sergeant Major, and equal in grade but not authority to First Sergeant. It is abbreviated as "MSG" and indicated by three chevrons above three rockers.

In the U.S. Army, the rank of Master Sergeant is usually held by staff members (i.e. S-3, S-4, etc. NCOICs) as well as commonly held by the Motorpool NCOIC(Non-Commissioned Officer in Charge) as the advisor to the Motorpool Chief (Usually a Warrant Officer). Master Sergeants holding the position of First Sergeant (While uncommon due to the promotion to First Sergeant from Master Sergeant is a lateral appointment) The Master Sergeant is referred to as "First Sergeant".

As with the First Sergeant, a Master Sergeant is usually given the courtesy of having a room called to "At Ease" upon entrance, regardless of duty position.

A Master Sergeants rank has 3 chevrons atop 3 rockers with no symbol in the center.

All Master Sergeants are senior non-commissioned officers.