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Sentry bots are a model of robot found in the Capital Wasteland in 2277.

Background[]

This section is transcluded from Sentry bot. To change it, please edit the transcluded page.

The heaviest class of combat robot in the United States Armed Forces, the sentry bot's singular purpose is to provide security through overwhelming firepower.[1] The sentry bot had become a standard piece of military equipment by at least 2063, with prototypes existing further back.[2] The sentry bot's purpose is to engage the enemy at range with a variety of weapons, including miniguns, Gatling lasers, rocket launchers, and even back-mounted cluster grenade launchers. At the same time, its thick armor and multiple redundant systems allow it to survive extended engagements. It is commonly considered to be one of the most dangerous robots ever created and RobCo Industries' finest fighting robot. Late models are also provided with the ability to self-destruct to prevent the enemy from recovering the robot.[3] Early sentry bot models were issued serial numbers in the SB-#### format (model, then serial), with later models transitioning to the standardized alphanumeric registration in the ABC-###### format.[4]

Characteristics[]

Specifications[]

Sentry bots have two arms equipped with powerful weapons: a minigun or Gatling laser on their right, and a missile launcher on their left. All models have wheeled tripod legs.

They are programmed with an authoritative and professional military personality, in contrast to the "gung-ho" patriotic personality of the Mister Gutsy.

Gameplay attributes[]

Sentry bots are the highest-level robots in Fallout 3; they are extremely durable, possessing as much health as a deathclaw but lacking a weak point that could be targeted for additional damage. In fact, their heads are more durable than their torsos, though targeting the head yields a greater chance of a Critical Hit. Like other robots, sentry bots are equipped with a combat inhibitor and will frenzy if it is disabled. Although they are fast, they have a slow turning speed.

Sentry bots are among the toughest enemies in the game, and it is not uncommon to find sentry bots roaming the Capital Wasteland in groups of two or three at higher levels.

Variants[]

Sentry bot[]

Sentry bot

Sentry bots come in many different guises, distinguishable by their paint, which shows their affiliation: Enclave, Brotherhood Outcasts, United States Armed Forces, etc.

Name (Form ID)StatisticsBehaviorAbilitiesItems
Sentry bot
0001CF8A
(Outcast)
0001CF71
0005F9CB
Level
12
Experience Points
?
Perception
7
Hit Points
500
Damage Resistance
0%
Aggression
Very aggressive: Will attack enemies and neutrals on sight.Icon requiredIcon requiredIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (22 Damage)
Attack
Missile launcher (20 Damage)
Attack
Gatling laser (6 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%

Enclave sentry bot[]

Fo3BS Enclave sentry bot

Significantly darker in appearance, wearing matte black paint and dark red sensors, the Enclave model hosts improved systems. They appear at Raven Rock, as well as alongside certain Enclave squads found in the wasteland. In Broken Steel, they are encountered guarding sections of the Adams Air Force Base.

Name (Form ID)StatisticsBehaviorAbilitiesItems
Enclave sentry bot
0001CF75
0005F9D1
000AEC21
000AEC22
000AF5E4
000AF5E5
Level
12
Experience Points
?
Perception
7
Hit Points
500
Damage Resistance
0%
Aggression
Very aggressive: Will attack enemies and neutrals on sight.Icon requiredIcon requiredIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (20 Damage)
Attack
Missile launcher (20 Damage)
Attack
Minigun (9 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%
Enclave sentry bot Broken Steel
xx007FF0
xx007FF1
Level
12
Experience Points
?
Perception
7
Hit Points
500
Damage Resistance
0%
Aggression
Very aggressive: Will attack enemies and neutrals on sight.Icon requiredIcon requiredIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (20 Damage)
Attack
Missile launcher (20 Damage)
Attack
Gatling laser (6 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%

Strike team sentry bot[]

Fo3OA Winterized sentry bot

The most expensive option for recruitment in Operation: Anchorage is a winterized minigun variant sentry bot, costing 4 recruitment markers. In addition to the minigun variant, there is a Gatling laser equipped winterized sentry bot which was cut from Operation: Anchorage.

Name (Form ID)StatisticsBehaviorAbilitiesItems
Strike team sentry bot
xx005013 Operation: Anchorage (add-on)
Level
3
Experience Points
?
Perception
7
Hit Points
300
Damage Resistance
0%
Aggression
Aggressive: Will attack enemies on sight.Icon requiredIcon optionalIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (20 Damage)
Attack
Missile launcher (20 Damage)
Attack
Minigun (9 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%
Winterized sentry bot Cut content
xx?????? Operation: Anchorage (add-on)
Level
3
Experience Points
?
Perception
7
Hit Points
300
Damage Resistance
0%
Aggression
Aggressive: Will attack enemies on sight.Icon requiredIcon optionalIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (22 Damage)
Attack
Missile launcher (20 Damage)
Attack
Gatling laser (6 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%

U.S. Army sentry bot[]

Military sentry bot

Military robots from before the Great War, painted in the characteristic olive green of the U.S. Army. They can be encountered at Fort Constantine, the National Guard depot and occasionally wandering around the Wasteland.

Name (Form ID)StatisticsBehaviorAbilitiesItems
Sentry bot
xx005C6E
Level
12
Experience Points
?
Perception
7
Hit Points
500
Damage Resistance
0%
Aggression
Very aggressive: Will attack enemies and neutrals on sight.Icon requiredIcon requiredIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (22 Damage)
Attack
Missile launcher (20 Damage)
Attack
Gatling laser (6 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%
Sentry bot
xx005C6F
Level
12
Experience Points
?
Perception
7
Hit Points
500
Damage Resistance
0%
Aggression
Very aggressive: Will attack enemies and neutrals on sight.Icon requiredIcon requiredIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (22 Damage)
Attack
Missile launcher (20 Damage)
Attack
Minigun (9 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%

Presidential metro sentinal unit[]

Sentry bot

This unique sentry bot is encountered in Broken Steel at the end of the Presidential metro, near the metro to the Adams Air Force Base. It possesses the main fuse, which is needed to repair the nearby powerbox for the metro.

Name (Form ID)StatisticsBehaviorAbilitiesItems
Presidential metro sentinalIn-game spelling, punctuation and/or grammar unit
xx0064D6 Broken Steel
Level
12
Experience Points
?
Perception
7
Hit Points
500
Damage Resistance
0%
Aggression
Very aggressive: Will attack enemies and neutrals on sight.Icon requiredIcon requiredIcon optional
Confidence
Foolhardy: Will never flee or avoid anyone.Icon requiredIcon requiredIcon requiredIcon required
Gamebryo AI attributes#Assistance
Helps friends: Will help friends and allies.Icon requiredIcon required
Attack
Melee (22 Damage)
Attack
Missile launcher (20 Damage)
Attack
Gatling laser (6 Damage)
Ability
Radiation Resistance Radiation resist. 100%
Ability
Poison Resistance Poison resist. 100%

Notable sentry bots[]

Notes[]

  • Using the Robotics Expert perk on a hostile sentry bot will give the player the option to talk to it or shut it down. If the talk option is selected, the bot will only say "Do not interfere with security operations." The player can also "talk" to a sentry bot without the perk, which will lead to the same dialogue.
  • A sentry bot can be found in Big Town. Fixing it is one of the options for helping the residents fight off the attacking super mutants after the completion of the quest, Big Trouble in Big Town.
  • There is a sentry bot guarding the Citadel which will disappear after the Take it Back! quest is finished. If destroyed prior to this, however, it will respawn.
  • Upon finishing The Superhuman Gambit, the Mechanist's robots will remain in the street (if they were destroyed previously). One or both will be sentry bots at higher levels.
  • There are two sentry bots in the control room of Raven Rock, guarding the entrance to the room where President Eden can be found. They will attack the two hostile Enclave soldiers, killing them. Like other sentry bots, they can be shut down, but destroying them grants the player with only 1 experience point and negative Karma. These sentry bots also have a unique piece of dialogue, saying, "The president will see you now."
  • As with other types of robots, pulse grenades are especially effective against a sentry bot.

Notable quotes[]

Sentry bots possess an authoritative array of speech programming, though it mainly expresses its current programming out loud, much like the protectron. However, sentry bots have a deeper voice, instilling fear in all.

Bugs[]

  • PCPC Playstation 3Playstation 3Playstation 3 Xbox 360Xbox 360 Outcast sentry bots will always spawn with the Gatling laser arm, despite resources for the minigun variants being present.[verified]
  • PCPC Playstation 3Playstation 3Playstation 3 Xbox 360Xbox 360 If you disable the sentry bot (using the Robotics Expert perk), the sentry bot will be disabled but will keep on performing the animation where it is disabled.[verified]

Gallery[]

Renders[]

Concept art[]

References[]

  1. Fallout 76 loading screens: "The Sentry Bot was designed for one purpose: security through overwhelming firepower. Its only real weakness is the short "cool down" phase after attacking, when its fusion core is most vulnerable."
  2. The Wastelad video game was first published in 2063 and features Military Sentry Bots as enemies.
  3. Fallout 4 loading screens: "The Sentry Bot is one of the most dangerous combat drones ever created, and utilizes a variety of heavy weapons systems to destroy its enemies. Upon death, it erupts in a devastating explosion."
  4. Serial numbers in Fallout 3 and Fallout: New Vegas.
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