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An Irregular Militia forward operating base (F.O.B.).

The Forward Operating Base (or "FOB") is the area around a radio that enables a team to place spawn bunkers, resupplies, defensive structures, weapon emplacements, and other deployables that can only be placed within the range of a FOB. FOBs allow players to physically reinforce a position and establish a presence on the battlefield.

Placing a FOB[]

Placing a FOB requires placing a Radio.

3 FOBs placed as close as possible with a 400 meter exclusion radius.

Demonstration of 400 meter exclusion radius.

A Squad Leader with a Squad Leader kit can place a radio hub through the Squad Leader Radial Menu. By default, it is opened by pressing T. Additionally, the Squad Leader needs:

  • An additional team member within 30m
  • Lead Crewman and Lead Pilots require three teammates nearby.
  • A logistics vehicle within 30m .

The Radio must be:

  • At least 400 meters from other friendly radios.
  • On smaller maps, only 300 meters are required.
  • At least 150 meters from main.
FOB Radii Widget on Chora.

FOB Radii for Chora.

When placing a radio, if one or more criteria are not met, the radio's projection appears red or orange. If the SL attempts to place an invalid radio, an error message appears, indicating which criteria are not met. Otherwise, the projection appears green. Placement is instant and does not require construction with an entrenching tool. A map's unique exclusion radius is available in the "Layer Info" tab of the map.

Radios have static and radio chatter noises that are technically audible to around 40 meters. However, that requires the game volume to be set at maximum. At normal audio settings, these sounds are audible to around 10 meters.

Supplying and Building at a FOB[]

Using construction points, spawn bunkers and other deployables can be built within 150 meter radius of a radio. The Squad Leaders can place any deployables while Fireteam Leaders can only place certain fortifications. Once placed, deployables must be constructed with an entrenching tool. They can only be placed in a FOB's construction radius. Currently, a FOB's construction radius is always 150 meters.

After placing a FOB, it starts with 0 Construction Points (or "CP") and 0 Ammo Points (or "AP").[1] A FOB must be supplied by a vehicle—either by transporting supplies from main or transferring supplies from another FOB—and can hold a total of 20,000 supplies of each type (20,000 CP + 20,000 AP).[2] Supplies can be loaded or unloaded within a FOB's construction radius.

For more information on how to supply FOBs, transfer supplies between FOBs, and load and unload supplies from vehicles, see Logistic System.

Spawning at a FOB[]

FOBs gain an active spawn point after a spawn bunker is built (aka a "HAB" for US, British, or Russians; or a "Hideout" for Militia or Insurgents). The respawn timer on a FOB is typically shorter than on a rally point.

FOBRED.png An "inactive" FOB—the spawn bunker is either disabled or not built yet.
FOBBLU.png An "active" FOB with a spawn bunker next to it—the whole team can spawn here.
FOBBLUSELEC.png After you select a spawn bunker, you see a white square around it the same way you do with a selected rally point.

Spawn bunkers can be disabled by damage to the radio, damage to the bunker itself, or too much enemy infantry near the bunker. Check the Spawn Bunker page for more information.

Taking Down a FOB[]

The radio hub can be damaged by heavy weapons or dug down by a holding down right-mouse-click with the entrenching tool. Demolition charges set by a Combat Engineer and Sapper or the improvised explosive device set by a Sapper are also very effective at lowering the health of the radio hub. Damaging the radio hub to below 75% will disable any connected Spawn Bunkers.

The different damage states of a radio.

If the radio is destroyed, it is put into bleedout. The friendly team has 60 seconds to rebuild the radio before it is destroyed. During this time, the enemy team must defend the radio. The timer can be stopped by building the radio back up to a certain threshold, the radio does not have to be rebuilt fully. If a radio bleeds out, the radio's team will lose 20 tickets.

However, if a friendly player digs down the radio with an entrenching tool, the radio is instantly destroyed instead of bleeding out and the team will lose no tickets. Notably, a radio can be dug down by friendlies during bleedout.

Once destroyed by either method, all tech structures and emplacements placed within a radio hub's build vicinity will be destroyed as well. Fortifications such as sandbags and HESCO blocks will remain.

Ingame[]

RADIO
US ARmy RUS Forces MILITIA INSURGENTS
Radio US-GB-CAF.png
Radio RUS.png
Radio MIL.png
Radio INS.png

Trivia[]

  • In versions prior to Alpha V9, the FOB radio acted as the spawn point which was initially inactive for spawning until a time period passed or the FOB was resupplied. No CPs were consumed to activate the FOB.
  • Since v10 supplies can now be transferred between FOBs with logistics vehicles.[1]
  • The 300 meter exclusion radius and 150 meter build radius of radios can be viewed on the map if the Viewing FOB Radii option is toggled on, shown as a gray circle and blue circle, respectively.

See also[]

References[]

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