Infantry Knowledge USMC Questions
and Answers | Latest Version |
2025/2026 | Correct & Verified
What is the primary mission of the infantry in the USMC?
✔✔To locate, close with, and destroy the enemy by fire and maneuver or to repel the enemy’s
assault by fire and close combat.
How does cover protect a Marine in combat?
✔✔It provides protection from enemy fire and observation.
What is the purpose of concealment in the field?
✔✔To hide Marines and equipment from enemy view without providing protection from fire.
Why must Marines practice noise and light discipline during operations?
✔✔To avoid detection and maintain tactical advantage.
How does suppressive fire support maneuver elements?
✔✔It keeps the enemy pinned down and unable to return effective fire.
1
,What is the role of a fire team leader?
✔✔To control the fire team and direct fire and movement during combat.
Why is communication critical in infantry operations?
✔✔It ensures coordination, safety, and mission success under stressful conditions.
What is the purpose of buddy pairs in combat?
✔✔To provide mutual security, support, and accountability during missions.
Why do Marines use bounding overwatch?
✔✔To move safely while maintaining fire support in contact-prone areas.
What is the difference between high crawl and low crawl?
✔✔High crawl is faster but used when some cover exists; low crawl is slower and used when
cover is minimal.
How does terrain analysis influence infantry movement?
2
, ✔✔It helps identify routes, cover, concealment, and potential enemy positions.
Why is the “5-point contingency plan” used in patrols?
✔✔To inform others of your plan if separated or actions are needed.
What is the main purpose of an ambush?
✔✔To destroy or capture enemy forces through surprise and violence.
Why must Marines know immediate action drills?
✔✔To respond quickly and instinctively to enemy contact.
How does camouflage help in combat environments?
✔✔It breaks up shapes and reduces the chance of enemy detection.
Why is it important to maintain 360-degree security?
✔✔To protect the unit from attacks in all directions.
How do sectors of fire contribute to unit defense?
3
and Answers | Latest Version |
2025/2026 | Correct & Verified
What is the primary mission of the infantry in the USMC?
✔✔To locate, close with, and destroy the enemy by fire and maneuver or to repel the enemy’s
assault by fire and close combat.
How does cover protect a Marine in combat?
✔✔It provides protection from enemy fire and observation.
What is the purpose of concealment in the field?
✔✔To hide Marines and equipment from enemy view without providing protection from fire.
Why must Marines practice noise and light discipline during operations?
✔✔To avoid detection and maintain tactical advantage.
How does suppressive fire support maneuver elements?
✔✔It keeps the enemy pinned down and unable to return effective fire.
1
,What is the role of a fire team leader?
✔✔To control the fire team and direct fire and movement during combat.
Why is communication critical in infantry operations?
✔✔It ensures coordination, safety, and mission success under stressful conditions.
What is the purpose of buddy pairs in combat?
✔✔To provide mutual security, support, and accountability during missions.
Why do Marines use bounding overwatch?
✔✔To move safely while maintaining fire support in contact-prone areas.
What is the difference between high crawl and low crawl?
✔✔High crawl is faster but used when some cover exists; low crawl is slower and used when
cover is minimal.
How does terrain analysis influence infantry movement?
2
, ✔✔It helps identify routes, cover, concealment, and potential enemy positions.
Why is the “5-point contingency plan” used in patrols?
✔✔To inform others of your plan if separated or actions are needed.
What is the main purpose of an ambush?
✔✔To destroy or capture enemy forces through surprise and violence.
Why must Marines know immediate action drills?
✔✔To respond quickly and instinctively to enemy contact.
How does camouflage help in combat environments?
✔✔It breaks up shapes and reduces the chance of enemy detection.
Why is it important to maintain 360-degree security?
✔✔To protect the unit from attacks in all directions.
How do sectors of fire contribute to unit defense?
3
