OCS EXAM 4 CORE ORTHOPEDIC CLINICAL
SKILLS AND MUSCULOSKELETAL ASSESSMENT
REVIEW 2026
◉ Fixed Post Definition.
Answer: Where security personnel normally remain at one point or
within a specific area; e.g., gates, towers.
◉ Mobile Post Definition.
Answer: These posts may also be referred to as roving patrols. They
are used for perimeter surveillance, area patrols, etc. Security forces
may be on foot or in vehicles.
◉ Administrative Post Definition.
Answer: These posts include the security officer, guard supervisor,
and other supervisory personnel.
◉ The Guard Chain of Command.
Answer: 1. Commanding Officer (CO) - Assigns
2. Field Officer of the Day (if assigned)
3. Officer of the Day (OOD)
4. Commander of the Guard (if assigned)
,5. Sergeant of the Guard (SOG)
6. Corporal of the Guard (COG)
7. Main Guard Sentries
8. Special Guard Sentries (if required)
◉ Commanding Officer Duties.
Answer: Security of the command is the responsibility of the
Commanding Officer. The Commanding Officer may delegate his
authority to subordinates for the execution of the Interior Guard.
◉ Field Officer of the Day.
Answer: Ensures the security of the command
The Field Officer of the Day supervises the entire interior guard and
serves as the Commanding Officer's direct representative during
his/her tour of duty.
◉ Officer of the Day.
Answer: The Officer of the Day, or the Officer of the Deck aboard a
ship, supervises the main guard. The Officer of the Day is charged
with the execution of all orders of the Commanding Officer which
concern the security of the area within the assigned jurisdiction.
◉ Commander of the Guard.
, Answer: The Commander of the Guard ensures proper instruction,
discipline, and performance of the duty of the main guard.
◉ Sergeant of the Guard.
Answer: The Sergeant of the Guard assists the Commander of the
Guard in ensuring proper instructions, discipline and performance
of duty of the main guard. He performs the duties of the Commander
of the Guard, if no Commander of the Guard is assigned.
◉ Corporal of the Guard.
Answer: The Corporal of the Guard supervises the members of the
main guard assigned to his relief. Her performs the guardhouse
duties of the Sergeant of the Guard when the latter is absent from
the guardhouse.
◉ Main/Special Guard Sentries.
Answer: Sentries must memorize, understand, and comply with
General Orders for sentries. Additionally, they will understand and
comply with the regulations relating to General Orders, and with
special orders applying to their particular posts.
◉ Types of Guards.
Answer: Interior guards are to be distinguished from various types
of guards employed to protect and defend tactical areas, and from
guards on riot duty and other special situations. Such guards are
SKILLS AND MUSCULOSKELETAL ASSESSMENT
REVIEW 2026
◉ Fixed Post Definition.
Answer: Where security personnel normally remain at one point or
within a specific area; e.g., gates, towers.
◉ Mobile Post Definition.
Answer: These posts may also be referred to as roving patrols. They
are used for perimeter surveillance, area patrols, etc. Security forces
may be on foot or in vehicles.
◉ Administrative Post Definition.
Answer: These posts include the security officer, guard supervisor,
and other supervisory personnel.
◉ The Guard Chain of Command.
Answer: 1. Commanding Officer (CO) - Assigns
2. Field Officer of the Day (if assigned)
3. Officer of the Day (OOD)
4. Commander of the Guard (if assigned)
,5. Sergeant of the Guard (SOG)
6. Corporal of the Guard (COG)
7. Main Guard Sentries
8. Special Guard Sentries (if required)
◉ Commanding Officer Duties.
Answer: Security of the command is the responsibility of the
Commanding Officer. The Commanding Officer may delegate his
authority to subordinates for the execution of the Interior Guard.
◉ Field Officer of the Day.
Answer: Ensures the security of the command
The Field Officer of the Day supervises the entire interior guard and
serves as the Commanding Officer's direct representative during
his/her tour of duty.
◉ Officer of the Day.
Answer: The Officer of the Day, or the Officer of the Deck aboard a
ship, supervises the main guard. The Officer of the Day is charged
with the execution of all orders of the Commanding Officer which
concern the security of the area within the assigned jurisdiction.
◉ Commander of the Guard.
, Answer: The Commander of the Guard ensures proper instruction,
discipline, and performance of the duty of the main guard.
◉ Sergeant of the Guard.
Answer: The Sergeant of the Guard assists the Commander of the
Guard in ensuring proper instructions, discipline and performance
of duty of the main guard. He performs the duties of the Commander
of the Guard, if no Commander of the Guard is assigned.
◉ Corporal of the Guard.
Answer: The Corporal of the Guard supervises the members of the
main guard assigned to his relief. Her performs the guardhouse
duties of the Sergeant of the Guard when the latter is absent from
the guardhouse.
◉ Main/Special Guard Sentries.
Answer: Sentries must memorize, understand, and comply with
General Orders for sentries. Additionally, they will understand and
comply with the regulations relating to General Orders, and with
special orders applying to their particular posts.
◉ Types of Guards.
Answer: Interior guards are to be distinguished from various types
of guards employed to protect and defend tactical areas, and from
guards on riot duty and other special situations. Such guards are
