https://www.warhistoryonline.com/instant-articles/damagednavy-sub-uss-connecticut-struck-an-underwater-mountain.html
A US Navy investigation has determined that the submarine collision in the South China Sea last month was with an uncharted undersea mountain. The nuclear
us navyunderwater mountaindamagedsubstruck
https://www.fox35orlando.com/news/splash-mountain-ride-vehicle-became-submerged-underwater-with-guests-onboard-video-shows
Another rider posted photos of the incident as well, showing their feet submerged in water and the ride vehicle wet and submerged underwater.
splash mountainridevehiclebecamesubmerged