Alert Diver Category: Advanced Diving

Get a behind-the-scenes look at the U.S. Coast Guard Diving Program. With its rigorous testing, do you have what it takes to make the cut?

It may be time for you to try freediving. Test your limits and push your abilities by picking up freediving. Learn about the safety, gear and more needed to be successful in the sport.

WHEN YOU GROW UP IN THE FLORIDA KEYS, the Atlantic Ocean is your backyard and the Gulf of Mexico is the front — or as the locals say, the ocean […]

Recreational divers learn about the need for a hyperbaric chamber in case they develop decompression sickness (DCS). The term hyperbaric chamber, however, is quite broad. In practical terms, it is […]

What does it take to be a safety diver for Cirque du Soleil? With a 1.5-million-gallon, 25-foot-deep pool, these safety divers have to be ready for anything.

Cave diving is exhilarating, but not suitable for all divers. You’re able to explore often overlooked places and see new-to-you critters and environments. Learn more about cave diving, current safety precautions and how to get started.

MY FACE IS STARTING TO FEEL NUMB, but at least my body and toes are still warm. The way the sunlight dances through the towering kelp is enchanting, and I’m […]

Our objective was to reconnoiter the riverbank for clues that might help us locate the remains of two schooners reported to have been burned and sunk on June 13, 1862, during Confederate Gen. J.E.B. Stuart’s famous cavalry ride around Union Gen. George McClellan’s army.

Get a deeper understanding of exploratory diving — a sometimes controversial topic. One team of divers schemed a plan to dive and explore a deep wreck. Read more about the process.

Closed-circuit rebreathers provide a different way to dive — where the rebreather’s primary jobs are to remove carbon dioxide and replenish oxygen. Read more about closed-circuit rebreathers.