혹시 class of entire(으)로 찾으셨나요?

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• SpaceX, 인류의 거대한 도전에 한 걸음 더 나아가다 its Falcon 9 rockets for the first time ever, an undertaking that saw the first-ever reflight of an entire orbital class rocket — by anyone. blog.naver.com · 2017.04.01