Chozo R&D Division

"What's the matter? All I said was that Komaytos look like little Metr-"

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Non-canon warning: This article or section contains information that may not be considered an official part of the Metroid series in the overall storyline by Nintendo.

Concept art by Sammy Hall for Metroid Prime 3: Corruption depicts a special Chozo Research & Development Division of the Galactic Federation. This division appears to be researching the advanced Chozo-designed Power Suit and technology of Samus Aran, a Bounty Hunter often employed by the Federation, possibly in the hopes of replicating it for their military. The experimental armor, though it resembles Samus's Power Suit, is much bulkier, slightly resembling her "chibi" appearance in the original Metroid game. The artwork states that the suits are an mk-5 prototype that are non-functional. This suit is not featured in the game, so it is unknown if they are a scrapped element or merely concept artwork. However, the designs are similar to the Mech suits worn by Federation Marines in Metroid Prime: Federation Force, so Hall's designs may have served as an inspiration.

In the games

Metroid: Other M

The Freeze Gun and Plasma Gun of Metroid: Other M may be Federation attempts to copy Samus's Ice Beam and Plasma Beam. The Freeze Gun seems to be very powerful compared to the Ice Beam, since it is seen completely freezing a Magdollite solid, and one shot disables Samus's Power Suit (though it could be argued she is distracted at the time). The Plasma Gun is powerful, but takes "forever to charge" while Samus's Plasma Beam can charge in seconds.

Metroid Fusion

In Metroid Fusion, Samus can restore many of her Power Suit upgrades through Data Rooms. Terminals in these rooms allow Samus to download many of her suit systems to her Fusion Suit, which are provided by the Galactic Federation. These upgrades perform very similarly to her older upgrades, though are different in appearance. This suggests the Federation has perfected the ability to replicate Samus's technology by this point.

Space Pirates

The Space Pirates make attempts to replicate Samus's weapons and armor, with some success, but not without drawbacks. In Metroid Prime, the Pirates reverse-engineer Samus's Beam weapons and create the Trooper Pirates. However, their Beams are not as potent as Samus's Beams (they cannot freeze, burn, or electrify her) and their armor is vulnerable to Samus's version of the very weapon they are using. The Pirates also attempt to copy the Morph Ball, but these experiments prove disastrous and are abandoned.