The best way to explore our planet's wondrous underwater world—if you don't want to leave the surface of the water—is snorkeling. Different from scuba diving, in which you go deeper and stay ...

But when it comes to underwater instruments, we prefer to keep it simple, and the Zoop is as simple as they come. It’s compatible with air or nitrox diving and capable of no-deco or decompression ...

The team put their divers, EOD techs and unmanned underwater vehicles to the test in Adak, the westernmost city in the U.S., during the first-ever Arctic Expeditionary Capabilities Exercise.