Jet Alone

Jet Alone (ジェットアローン) is a bipedal robot developed by Japan Heavy Chemical Industries to replace the Evangelions.

Profile
While still being humanoid, Jet Alone is quite visually distinct from the Evangelion Units it was designed to replace in terms of both design and coloring. While the Evangelion's appear to be somewhat human looking, Jet Alone stands out by having extremely elongated arms with long, pointed fingers. The units head is also quite distinct as it is extremely sunken into its body and where a face would be is instead replaced by a series of glowing rectangles. Finally, the colors of Jet Alone also stand out from the Evangelions as unlike them, Jet Alone features fairly muted, neutral tones as opposed to the bright, bombastic and contrasting colors of the Evangelions.

Features
Unlike the Evangelions, which have a limited internal power supply and must rely on external power cables for extended operation, Jet Alone has an internal nuclear reactor (likely a pressurized water reactor) and can function for at least 150 consecutive days. Jet Alone requires no pilot, and is controlled by an onboard computer. Radio commands can be issued from a ground station. Being a robot and not a living being, Jet Alone cannot generate an A.T. Field. Shiro Tokita pushes aside the issue, describing the creation of an (artificial) A.T. Field as "only a matter of time."

Neon Genesis Evangelion
Jet Alone is seen in Episode 07, when it goes out of control during a demonstration. It is stopped after Misato Katsuragi climbs on-board with the help of Evangelion Unit-01 and attempts to delete its programming, but Jet alone is saved from a nuclear meltdown at the last moment. Gendo Ikari states towards the end of Episode 07 that everything went according to plan, suggesting that NERV was behind the incident.

Exactly why NERV saw Jet Alone as a threat is not made clear. Gendo needed the Angels destroyed in order to carry out his version of Third Impact. It is likely he was concerned that vital funding would be diverted from his division to the Jet Alone program if the demonstration proved a success, or that Jet Alone would, at some point, be used against NERV, or that Jet Alone would become potential threat replace existing EVA series, which may lead to strict hibernation on current active EVAs.

Neon Genesis Evangelions
This game features a upgraded variant of Jet Alone, named Jet Alone Kai (JA改), by mecha designer Ikuto Yamashita.

Neon Genesis Evangelion: ANIMA
In the Anima contunity, another distant successor of Jet Alone is seen in the form of the Strategic Defense Force Integrated Mechanic Soldier Type-4 "Akashima".

Evangelion: 3.0+1.0 Thrice Upon A Time
Despite the original Jet Alone not being seen during any rebuild movie and despite not designing the first Jet Alone, Ikuto Yamashita redesigns it again as the JA-02, the parts of it are used to create the Evangelion Production Model-New 02α (JA-02 Boby Assembly Cannibalized).