General Combat Tactics

While Metal Gear Solid V: The Phantom Pain heavily emphasizes stealth, there will be times when direct combat is unavoidable, or even strategically advantageous. Mastering combat is crucial for survival and mission success, especially on higher difficulties or when pursuing specific mission objectives.

Engaging the Enemy

Situational Awareness: Always use your binoculars (hold R1/RB) to tag enemies and identify their patrol routes, weapon types, and any special equipment (helmets, body armor). This intel is invaluable for planning your approach.
Headshots are Key: For lethal takedowns, a headshot is almost always a one-hit kill, regardless of enemy armor. Aim for the head to conserve ammunition and neutralize threats quickly.
Suppressing Fire: If you're outnumbered or need to reposition, use automatic weapons like the AM D114 (early game pistol) or an assault rifle (e.g., AM MRS-4) to lay down suppressing fire. This can force enemies into cover, giving you a window to flank or escape.
Cover System: use the environment to your advantage. Duck behind walls, rocks, and vehicles. Peeking from cover (L1/LB while aiming) reduces your profile and makes you harder to hit.
Diving and Rolling: Use the dive (Square/X while sprinting) to quickly get into cover or evade incoming fire. A well-timed roll can save you from grenades or concentrated enemy attacks.

Weapon and Item Utilization

Your loadout should be tailored to the mission, but some items are universally useful in a firefight:

Assault Rifles: The AM MRS-4 is a reliable early-game option. Upgrade to the SVG-76 or UN-ARC for better damage and accuracy as you progress. Equip suppressors for stealthier engagements, but be aware they degrade with use.
Shotguns: For close-quarters combat, shotguns like the S1000 are devastating. They can clear rooms quickly but have limited range.
Grenades:
- Frag Grenades: Excellent for clearing groups of enemies or flushing them out of cover. Aim for areas where enemies are clustered.
- Stun Grenades: Non-lethal and highly effective for disorienting multiple enemies, allowing you to move in for CQC or escape.
- Smoke Grenades: Create temporary visual cover, useful for breaking line of sight, escaping detection, or advancing through open areas.
C4: Can be used offensively to destroy vehicles, guard posts, or create diversions. Place it strategically and detonate remotely.
Supply Drops: If you find yourself low on ammo or need a different weapon, call in a supply drop via your iDroid. Plan its landing zone carefully to avoid alerting enemies or having it land out of reach.

Advanced Tactics

Reflex Mode: When detected, Reflex Mode gives you a brief window to neutralize the threat before an alert is triggered. Use this time to land a quick headshot or stun the enemy. You can disable this in the options if you prefer a harder challenge.
Buddy Support:
- D-Dog: Can mark enemies, providing constant awareness of their positions even in combat. He can also distract or hold enemies, creating openings for you.
- Quiet: An invaluable combat companion. Command her to provide cover fire, eliminate specific targets, or scout ahead. Her silenced sniper rifle can quickly thin enemy ranks.
- D-Horse: While not directly combat-oriented, D-Horse can provide rapid escape or allow you to quickly reposition across open terrain during a firefight.
Fulton Recovery in Combat: If you need to extract an enemy soldier during a firefight, a well-placed stun grenade followed by a quick Fulton can be effective. Be mindful of enemy fire while the balloon deploys.
Environmental Hazards: Look for explosive barrels, generators, or other environmental elements that can be used to your advantage to create explosions or distractions.

Remember, even in direct combat, strategic thinking and quick reactions are paramount. Don't be afraid to disengage and reposition if the odds are stacked against you. Live to fight another day, Boss!