Elon Musk (@elonmusk) Tweeted: 
@johnkoetsier Design has been changed so the ???? lands on legs that extend from the tips of the three fins, two of which actuate (mostly for pitch control) https://twitter.com/elonmusk/status/1041482806600204294?s=17 

그렇답니다. 
날개 끝이서 랜딩기어가 나오고 두개는 피치 조작하는데 쓰인답니다

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