4 ms·

I think he is referring to the 'block 5' Falcon, i.e. the current iteration in the development cycle of the Falcon 9.

• JshWright 7y ago
  Perhaps (I'm a pretty avid SpaceX enthusiast, and I've never heard that abbreviation before)
  • vibrolax 7y ago
    Absolutely. I must have fused Saturn V with Falcon 9 in my brain. It's F9.
    • JshWright 7y ago
      To be fair, they're both pretty awesome rockets.