After Seabourn located a long-sunken WWI-era ship in Chile, I'm reminded how diving in an expedition ship's sub can unlock new worlds for cruise passengers -- and make discoveries.
The submarines were reported to be the world's fastest and deepest diving of their era and could reach a top speed of 41 knots submerged. The boats could get to top speed in just about sixty ...
Submarine Dive Trainer and Submarine Maintenance Trainer, which were built to simulate the various aspects of operating an actual submarine. With these trainers, submarine crew can conduct ...