This is absolutely insane. Apparently, there are people so rich that, not happy with having their own megayacht, get themselves a huge support ship to carry giant speedboats, sailboats, helicopters, and even submarines. That’s what the Sea Axe is.
https://gizmodo.com/russian-billionaire-floats-above-economy-in-350-millio-5290050
The Sea Axe comes in 37, 51, or 67 meters flavors, and it’s capable of carrying other ships, fuel, and supplies. It has transatlantic range and can travel at a top speed of 28 knots. [James List]
