Built to Explore the Undersea: National Geographic Orion
The 102-guest expedition ship National Geographic Orion sails to some of the world's most pristine undersea sites. It is specially designed and outfitted to explore the undersea with tools for exploration including an ROV, snorkeling gear for all guests, scuba gear for up to 24 guests per voyage, plus an undersea specialist and two divemasters.
Scuba diving requirements: Scuba divers must be certified by an internationally recognized dive association prior to the voyage, and certification cards and logbooks must be shown on board. Divers must have logged 25 dives in total and made a dive within the 12 months preceding the voyage.