Forward Operating Base

There is more information available on this subject at Forward Operating Base on the English Wikipedia.

A render of a UNSC Forward Operating Base.

A Forward Operating Base or FOB is a general term used to describe any secured military position established for the purposes of supporting strategic and/or tactical goals on a battlefield.

History

Forward Operating Bases have been utilized by human military forces for centuries. The Covenant also utilized FOBs during the Human-Covenant War.

The crew of the UNSC Spirit of Fire installed FOBs in their campaign against the Banished, with FOB Quebec being one of them.

During the Battle for Zeta Halo, the surviving UNSC personnel from the UNSC Infinity set up at least twelve Forward Operating Bases on the fragmented section of Zeta Halo. The bases were hastily deployed to monitor Banished activities and launch incursions against raiding parties, supply depots, and other targets. However, by March 3, 2560, all twelve FOBs had fallen into Banished hands. They would remain that way until May 28, 2560, when John-117 arrived on the ring and began retaking the FOBs, starting with FOB Golf.

UNSC forces operating from FOBs may utilise Mobile Field Bunks; collapsible and easily-portable beds for comfort while sleeping on the front lines.

In-game information

Captured FOBs

In the Halo Infinite campaign there are a total of twelve FOBs that can be recaptured from the Banished. Once recaptured, they can be used to summon weapons, vehicles, and marine reinforcements. They can also be used for fast travel. Recapturing a FOB will also reveal additional targets in the surrounding area.

Capturing a FOB earns the player the Reclaimer achievement, while capturing all twelve FOBs earns the player the Resurgency achievement.

The FOBs are:

FOB Alpha FOB Bravo FOB Charlie FOB Delta FOB Echo FOB Foxtrot

FOB Golf FOB Hotel FOB Juliet FOB Kilo FOB Lima FOB November

FOB unlocks

The following legendary weapons, vehicles, and UNSC marine specialists become available at all FOBs as the player gathers Valor during the campaign.

List of Valor Unlocks

Valor requirement	Category	Unlock	Description
300	Vehicle	Mongoose	The M290 Mongoose is a swift, highly mobile all-terrain transport vehicle.
350	Weapon	Mk50 Sidekick	Semi-automatic firearm effective at close to medium range.
400	Weapon	MA40 AR	Reliable, fully automatic assault rifle effective at short to medium range.
450	Marine Reinforcement	Assault	One Marine equipped with a MA40 Assault Rifle will spawn at controlled FOBs and can reinforce you in empty vehicle seats.
500	Vehicle	Razorback	An armored troop transport variant of the M12B Warthog, fit with lightweight composite plating for enhanced protection from enemy fire.
550	Weapon	M9 Frag Grenade	Fragmentation grenade that bounces off surfaces before detonating.
600	Weapon	CQS48 Bulldog	A highly responsive and fast-firing tactical shotgun. Devastating at close range.
650	Marine Reinforcement	Breacher	One Marine equipped with a CQS48 Bulldog will spawn at controlled FOBs and can reinforce you in empty vehicle seats.
800	Vehicle	Warthog	The M12B Warthog is an extremely capable combat vehicle, owing to its speed, maneuverability, and passenger capacity.
900	Weapon	VK78 Commando	Precision automatic rifle with heavy recoil. Effective at medium to long range.
1,000	Marine Reinforcement	Scout	One Marine equipped with a VK78 Commando will spawn at controlled FOBs and can reinforce you in empty vehicle seats.
1,100	Weapon	BR75	Three-round burst rifle, best utilized in mid-range engagements.
1,200	Marine Reinforcement	Heavy Assault	One Marine equipped with a BR75 Battle Rifle will spawn at controlled FOBs and can reinforce you in empty vehicle seats.
1,400	Vehicle	Gungoose	The M290-M Gungoose pairs high mobility and heavy firepower with the addition of two forward-mounted grenade launchers.
1,500	Weapon	S7 Sniper	The S7 Sniper is a long-range precision rifle with two zoom distances. Headshot kill most targets instantly.
1,600	Marine Reinforcement	Sniper	One Marine equipped with an S7 Sniper Rifle will spawn at controlled FOBs and can reinforce you in empty vehicle seats.
1,700	Weapon	M41 SPNKr	Better known as the SPNKr, the M41 SSR MAV/AW is a twin-tube launcher that fires explosive rockets.
1,800	Marine Reinforcement	Demolition	One Marine equipped with an M41 SPNKr will spawn at controlled FOBs and can reinforce you in empty vehicle seats.
2,000	Vehicle	Scorpion	The UNSC's main battle tank is equipped with a high velocity 90mm cannon for armored targets, and a medium machine gun for infantry.
2,100	Weapon	Hydra	A rapid-fire guided munitions launcher that fires gyroscopically-stabilized rockets, which home in on targets after lock-on.
2,200	Weapon	Striker Sidekick	Precision Mk50 Sidekick modified for improved stopping power.
2,300	Weapon	MA40 Longshot	Precision MA40 Assault Rifle with improved long-range performance.
2,400	Weapon Variant	Convergence Bulldog	CQS48 Bulldog with an increased ammo capacity and fit with a choke to tighten projectile spread and increase effective range.
2,600	Vehicle	Wasp	The AV-49 Wasp is a close air support VTOL craft, armed with heavy machine guns and twin rocket launchers.
2,700	Weapon Variant	Impact Commando	A modified VK78 with a large-capacity magazine and high-powered ammunition that reduces accuracy but increases range.
2,800	Weapon	BR75 Breacher	BR75 with improved stopping power tuned for close-range encounters.
2,900	Weapon	S7 Flexfire Sniper	An experimental, high-capacity variant of the S7 Sniper, tuned for mid-range combat.
3,000	Weapon	Pursuit Hydra	Hydra upgraded with faster target lock and improved rocket velocity, making it more effective at long range.
3,200	Vehicle	Rocket Hog	Fit with a M79 Multiple Launch Rocket System (MLRS), the M12R 'Rocket Hog' is best utilized in a fire support role.

Trivia

The naming scheme of the FOBs in Halo Infinite is based on the NATO phonetic alphabet. However, there is no FOB India or FOB Mike.

Gallery

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  Concept art of various FOB components for Spartan Ops.

• 

  Halo Infinite concept art for an FOB.

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  Halo Infinite concept art for an FOB.

List of appearances

• Halo: Silent Storm (First mentioned)
• Halo Infinite (First appearance)
• Halo: The Rubicon Protocol
• Halo: Fireside