Interior Guard Duty

Interior Duty Guard

Installed by commanders to preserve order, protect property, and enforce military regulations.

Countersign

A secret challenge and reply used by guards to scrutinize individuals attempting to pass the lines.

Challenge

The command “HALT, WHO IS THERE?” used by a sentry to identify an unidentified person or party.

Password

A secret word or distinctive sound used to respond to a challenge and identify a person or party.

Relief

Members of the guard who share the same watch under the supervision of a corporal.

Sentry

An enlisted man assigned to guard duty to maintain order and protect property.

Watch

A designated period during which a guard performs prescribed duties.

Relieve

To direct a guard member to cease their duties.

Post

The location where a sentry is stationed or where a guard member must be when not on duty.

Patrol Post

A prescribed route within specified limits for guard patrols.

Fixed Post

A location where a sentry must remain while performing their duty.

Guardhouse

The headquarters of the guard, which can be a building, tent, or other location.

Detain

The action taken by authorized personnel to secure custody of an illegal offender.

Field Officer of the Day (FOD)

A field grade officer representing the Commanding Officer, supervising interior guards.

Officer of the Day (OD)

Responsible for the performance of duty by main guards and executing orders from the commanding officer.

Commander of the Guard (COD)

Senior officer responsible for instruction, discipline, and emergency actions of the guards.

Sergeant of the Guard (SOG)

Overall supervisor of NCOs and sentinels, taking command in the absence of a designated commander.

Relief Commander

The commander who instructs relief members on their orders and duties.

Sentinel of the Guards

Must memorize and comply with general and specific orders applicable to their posts.

General Orders of the Guard

A set of 11 directives outlining the responsibilities and conduct expected of guards.