RANGE SAFETY OIC/RSO CERTIFICATION
EXAM COMPLETE PRACTICE EXAMINATION
300 MULTIPLE-CHOICE QUESTIONS AND
ANSWERS WITH DETAILED RATIONALES
2026 \2027
Question 1
What document establishes range safety policies and responsibilities for firing
ammunition, lasers, guided missiles, and rockets on Marine Corps and Army
ranges?
A) DA Pam 385-63
B) AR 385-63/MCO 3570.1
C) MCO P8020.10
D) OSHA 29 CFR 1910
Correct Answer: B
Rationale: AR 385-63/MCO 3570.1 is the interservice document that establishes
range safety policies and responsibilities for firing ammunition, lasers, guided
missiles, and rockets on Marine Corps and Army ranges. DA Pam 385-63 provides
implementation guidance, while MCO P8020.10 covers ammunition handling and
accountability.
---
,Question 2
What is the primary responsibility of the Range Safety Officer (RSO)?
A) To ensure training objectives are met on schedule
B) To ensure the safe conduct of live-fire training and enforce range regulations
C) To manage ammunition inventory and distribution
D) To coordinate transportation for personnel to and from the range
Correct Answer: B
Rationale: The RSO's primary responsibility is to ensure the safe conduct of live-
fire training and enforce range regulations. Safety always takes precedence over
training objectives, and the RSO has the authority to halt firing immediately if a
safety violation occurs.
---
Question 3
Who has ultimate authority over range operations during live fire?
A) The Range Safety Officer (RSO)
B) The Officer in Charge (OIC)
C) The Range Control Officer (RCO)
D) The Unit Commander
Correct Answer: B
,Rationale: The Range Officer in Charge (OIC) has ultimate authority over range
operations. However, the RSO has the authority to halt firing immediately if a
safety violation occurs. Both work together to ensure compliance with safety
standards.
---
Question 4
What command signals shooters to stop firing immediately?
A) "MAKE THE LINE SAFE"
B) "CEASE FIRE"
C) "CLEAR THE RANGE"
D) "UNLOAD"
Correct Answer: B
Rationale: The command "CEASE FIRE" signals shooters to immediately stop
firing. Shooters must remove their finger from the trigger, place the weapon on
safe, and follow RSO instructions without delay. This is the most critical safety
command on any range.
---
Question 5
What must shooters do when the command "MAKE THE LINE SAFE" is given?
, A) Continue firing until ammunition is expended
B) Unload weapons, lock actions open, insert chamber flags if required, and step
back from the firing line
C) Immediately leave the firing line and go to the assembly area
D) Place weapons on the ground and walk away
Correct Answer: B
Rationale: When "MAKE THE LINE SAFE" is commanded, shooters must unload
their weapons, lock the action open, insert chamber flags if required, and step back
from the firing line. The RSO visually and physically verifies all weapons are safe.
---
Question 6
What does "cold range" mean?
A) All firearms are loaded and ready for firing
B) All firearms are unloaded, actions open, and no ammunition is handled
C) The range is closed due to inclement weather
D) Only authorized personnel may fire weapons
Correct Answer: B
EXAM COMPLETE PRACTICE EXAMINATION
300 MULTIPLE-CHOICE QUESTIONS AND
ANSWERS WITH DETAILED RATIONALES
2026 \2027
Question 1
What document establishes range safety policies and responsibilities for firing
ammunition, lasers, guided missiles, and rockets on Marine Corps and Army
ranges?
A) DA Pam 385-63
B) AR 385-63/MCO 3570.1
C) MCO P8020.10
D) OSHA 29 CFR 1910
Correct Answer: B
Rationale: AR 385-63/MCO 3570.1 is the interservice document that establishes
range safety policies and responsibilities for firing ammunition, lasers, guided
missiles, and rockets on Marine Corps and Army ranges. DA Pam 385-63 provides
implementation guidance, while MCO P8020.10 covers ammunition handling and
accountability.
---
,Question 2
What is the primary responsibility of the Range Safety Officer (RSO)?
A) To ensure training objectives are met on schedule
B) To ensure the safe conduct of live-fire training and enforce range regulations
C) To manage ammunition inventory and distribution
D) To coordinate transportation for personnel to and from the range
Correct Answer: B
Rationale: The RSO's primary responsibility is to ensure the safe conduct of live-
fire training and enforce range regulations. Safety always takes precedence over
training objectives, and the RSO has the authority to halt firing immediately if a
safety violation occurs.
---
Question 3
Who has ultimate authority over range operations during live fire?
A) The Range Safety Officer (RSO)
B) The Officer in Charge (OIC)
C) The Range Control Officer (RCO)
D) The Unit Commander
Correct Answer: B
,Rationale: The Range Officer in Charge (OIC) has ultimate authority over range
operations. However, the RSO has the authority to halt firing immediately if a
safety violation occurs. Both work together to ensure compliance with safety
standards.
---
Question 4
What command signals shooters to stop firing immediately?
A) "MAKE THE LINE SAFE"
B) "CEASE FIRE"
C) "CLEAR THE RANGE"
D) "UNLOAD"
Correct Answer: B
Rationale: The command "CEASE FIRE" signals shooters to immediately stop
firing. Shooters must remove their finger from the trigger, place the weapon on
safe, and follow RSO instructions without delay. This is the most critical safety
command on any range.
---
Question 5
What must shooters do when the command "MAKE THE LINE SAFE" is given?
, A) Continue firing until ammunition is expended
B) Unload weapons, lock actions open, insert chamber flags if required, and step
back from the firing line
C) Immediately leave the firing line and go to the assembly area
D) Place weapons on the ground and walk away
Correct Answer: B
Rationale: When "MAKE THE LINE SAFE" is commanded, shooters must unload
their weapons, lock the action open, insert chamber flags if required, and step back
from the firing line. The RSO visually and physically verifies all weapons are safe.
---
Question 6
What does "cold range" mean?
A) All firearms are loaded and ready for firing
B) All firearms are unloaded, actions open, and no ammunition is handled
C) The range is closed due to inclement weather
D) Only authorized personnel may fire weapons
Correct Answer: B
