Assertion: metal gear | /r/CapableOf | predate in actuality
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text: Although it was initially believed to have been one of the Metal Gear REX derivatives resulting from Ocelot's leak of REX's data, it in actuality predated REX, having been made during the Cold War (more specifically, the 1960s) by America under a pro-American dictatorship in Eldera in a top-secret mission that Roy's brother Matt Campbell was involved in.