“Indeed he did, but still no proof that the giant metal pill could navigate all those tight-ass corners and ups and downs.”
“Moreover, based on extensive cave video review and discussion with several divers who know journey, SpaceX engineering is absolutely certain that mini-sub can do entire journey & demonstrate at any time,” Musk added.
I’m still doubtful. Musk should listen to Mike Tyson (of all people) who said that everybody has a plan until they get punched in the mouth.