GATES SPOILER!

Gates
GA

Full Metal Panic! The Second Raid · Primary Antagonist / Amalgam Execution Squad Commander

Gates is an Amalgam officer created for The Second Raid and one of the series' most openly unstable villains. He commands an execution squad equipped with Codarl Arm Slaves and treats both enemies and subordinates with the same casual cruelty whenever his mood shifts. The absurdity of his behavior does not make him harmless. Gates is capable of reading a battlefield, recognizing Mithril tactics and using civilians or local conflicts as cover for Amalgam operations. His violence becomes especially visible around the Xia sisters, whose refusal to follow Amalgam's orders turns them from assets into targets. Gates ultimately confronts Sosuke in Hong Kong, where the Arbalest's restored Lambda Driver overwhelms his Codarl. For once, Sosuke's control is stronger than the chaos an enemy is trying to impose on him.
7 CONNECTED LORE ENTRIES

GATES THROUGH THE ARCHIVE //

AMALGAM OPERATIONS //

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What TSR Actually Establishes About Amalgam

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Bruno's Leak · Gates · Leonard · Gauron's Explanation

The Second Raid finally gives the enemy organization a name: Amalgam. Bruno's betrayal proves it can penetrate MITHRIL's information network, Gates gives it a visible field commander and Leonard shows that its access to Black Technology goes well beyond stolen conventional weapons.

Gauron later tells Sousuke that Amalgam has influence reaching into governments and the military-industrial world, and that conflict itself can be useful to the organization.
The Breakdown
That explanation comes from Gauron. TSR does not hand the viewer a complete Amalgam organization chart, budget or neutral history.
Why it matters
The threat is larger than Gates, but the series intentionally leaves its exact size blurry. What matters here is that MITHRIL has discovered an opponent capable of matching its technology, compromising its intelligence and operating across national boundaries.

Gates

SPOILER! Amalgam Field Commander · Codarl-i Pilot Open →
Gates is ridiculous right up until the moment he becomes terrifying. He jokes, sings, changes moods without warning and kills subordinates with the same casual energy he brings to conversation.
The Breakdown
The performance hides genuine competence. Gates engineers the Nanjing trap, pilots a Lambda Driver-equipped Codarl-i well enough to pressure Sousuke and later arrives in Hong Kong with an Amalgam force capable of ending Yu Fan's rampage.
Why it matters
Gates is not dangerous because he is random. He is dangerous because the random behavior sits on top of enough authority, technology and combat skill to make every impulse somebody else's problem.