Protectron

Protectrons are a model of robot which appears in Fallout 3, Fallout: New Vegas, Fallout 4 and Fallout 76.

Background
 One of the most widespread and popular models in RobCo Industries' catalog, the Protectron was designed as an inexpensive work drone, capable of performing a wide variety of tasks from construction, through security, to office duties. It's a compact, bipedal work drone with a pair of manipulators and integrated lasers for self-defense. The large dome contains the primary optic sensors (usually three) and the central processing unit that contains the robot's synthetic personality. For ease of maintenance, the Protectron is typically powered by a fission battery. As it was not intended for combat, at least not as a direct combatant, the Protectron only has a thin alloyed shell meant to protect its internal components from the environment and damage that could be sustained in the course of its duties. The head assembly is typically shielded by a semi-transparent or opaque dome from reinforced glass, though various hardware modifications were introduced before the war to enhance its effectiveness.

Numerous variants of the Protectron were available on the market, due to the its reliability and flexibility. Apart from the standard body, RobCo also offered construction drones with a shielded, reinforced head, emergency light, and internal power tools like nailguns, firefighter models with an internal cryo gun for fire suppression and additional protection from fire and debris, medic units with built-in defibrillators, and reinforced police models with tasers, stronger servomotors, and armored head. Even factory models could be customized with a variety of software and synthetic personalities to enhance its performance, making it a popular choice for both the private and public sectors. These included the R04 V9 "Office Helper" personality with integrated office protocols and scheduling software, RS3 V4.1.6 "Utility Helper" with remote maintenance routine download capability and pest extermination programs, and the RX2 V1.16.4 "Vault Helper", with all the necessary Vault protocols. Protectrons usually came with a special pod, for storage, maintenance, and recharging, and the Standard Protectron Control Interface v2.40 installed on terminals connected to the pod and responsible for controlling Protectrons slaved to it.

The introduction of the Protectron had a deleterious effect on the situation of workers in the United States. The efficiency and reliability of the Protectron made it a fantastic, tireless laborer easily displacing blue-collar workers, even in industries not affected by the ongoing war. Although companies would deny that the introduction of robotic workers was meant to replace human workers, the reality was that any company where Protectrons or other robots were introduced would soon see mass layoffs. In one particular instance, a Pittsburgh steel mill decided to lay off all of its workers citing budget cuts and the need to shut the plant down. When the workers started an occupation strike, the company simply allowed the new Protectron fleet to enter the facility and gun down the striking workers down to the last man. 

Protectron


In Fallout 3, Fallout: New Vegas and Fallout 4, protectrons are the second-weakest robot variant encountered, with only eyebots having less firepower. They do not pose much of a threat due to their weaker weaponry and slow speed. They are equipped with dual hand-lasers as well as a head-laser, so that in the event that one weapon is disabled, the protectron can still function in battle. They are not as common in Fallout: New Vegas as they are in Fallout 3; they are in every metro station in the latter, whereas in Fallout: New Vegas, they are mostly found patrolling a few office buildings and the securitron vault.

Factory protectron


Factory protectrons are protectrons designed for use as manual labor inside of factories. Computer entries inside Sunset Sarsaparilla Headquarters in Fallout: New Vegas mention robots being shipped to the factory to replace the human workers. This is probably the case in Fallout 3 as well, and a few examples of these protectrons can be found inside The Mill in the Fallout 3 expansion The Pitt, although they are already deactivated.

Metro protectron


Metro protectrons are a model of protectron found in Washington, D.C.'s metro stations that will ask for a passing person's metro ticket when activated, and that metro ticket will be removed from the inventory. If they do not happen to have a ticket, the protectron will attack.

Nuka-Cola security


Nuka-Cola security are protectrons found in the Nuka-Cola plant. They have the Nuka-Cola Corporation logo on them as well as red coloring around their head and hands. A deactivated one is found in Fallout: New Vegas, in the Lucky 38 penthouse.

Outcast protectron


Outcast protectrons are protectrons reprogrammed by the Brotherhood Outcasts. They are found patrolling with Outcast patrols or outside of their bases.

Factory protectron (The Pitt)


These factory protectrons are found in the Pitt steelyard and were being used as a replacement for human labor within the steel mills. They are heavy duty industrial robots, featuring a reinforced "head" part, a protective cage on the back and distinctive yellow coloring.

Shipping worker


Shipping workers are protectrons found in the Sunset Sarsaparilla Headquarters. There are only two of them, and they can be found on the bottom floor of the factory with the bottle cap press machine.

Sunset Sarsaparilla security


Sunset Sarsaparilla security are a slightly tougher variant of the protectron, of which three are still functioning, and can be found patrolling inside the Sunset Sarsaparilla Headquarters. Their function was to protect the factory, possibly against industrial espionage. Several disabled models can also be found within the factory and scavenged for parts.

Protectron Mark series


The protectron Mark series was an attempt by scientists in Big MT to improve on the base model of protectron built by RobCo. These protectrons come in six versions, Marks I-VI. Mark I is on par with the protectrons found in the Sunset Sarsaparilla Headquarters, while the other marks are scaled on increasing durability based on the player character's level. However, the firepower on each Mark series is the same.

Behind the scenes
The protectron's design seems to be inspired by Robby the Robot, a robot that first appeared in the 1956 sci-fi film The Forbidden Planet and appeared in numerous movies, television shows and commercials afterward.

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