Hmmm....I think it was revealed on the official site a while ago in the "History of the Knightmare Frame" section.
Still since the source wasn't the original anime I wouldn't expect everyone to know about it. The fact that she piloted a Knightmare was brought up really briefly in ep. 21 and also 25. But it was so quick I wouldn't blame anyone for missing this info.
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Still since the source wasn't the original anime I wouldn't expect everyone to know about it. The fact that she piloted a Knightmare was brought up really briefly in ep. 21 and also 25. But it was so quick I wouldn't blame anyone for missing this info.