In 1960 two men went to the bottom of the Mariana Trench in the Pacific Ocean, making them the first people to reach the deepest point on Earth. Now, more than 50 years later, it looks like two new attempts will be made, including one in this frightening looking three man submarine from Triton.

The Hyper Sub is yet another submarine designed for rich people with more time and money on their hands than they know what to do with. But hey, why not? This model combines a speedboat with a sub, offering up...

Elite SEAL commandos will get to enjoy a new toy soon in the shape of an enclosed, roomy minisubmarine. The Navy has been in the market for a new Swimmer Delivery Vehicle (or SDV — also known as a SEAL...