by Paul Haynes. Lead image: RB80 diver by Sean Romanowski While there has been considerable recent interest in frontmounted and sidemount rebreathers, backmounted counter lungs (BMC)...
Sixty years ago next month, four U.S. Navy divers—the first American aquanauts—swam into a seafloor shelter dubbed Sealab I, stationed 59m/193 ft deep, 42 km/25 mi...
How current are your rescue skills at your level of diving? Would you be able to rescue a tech diving team mate from a depth of...
By Jeffrey Bozanic, Ph.D. Images courtesy of the author unless noted. Unlike training to pilot aircraft, automobiles, or open circuit scuba gear, current rebreather training is...
Continuing with our review of tech rebreathers, we take a deep dive into the Scuba Force’s SF2 eCCR, launched in 2012. Scuba Force founder and president...
Global Underwater Explorers (GUE) standardized its training and dive operations on a specially configured, backmount JJ-CCR rebreather more than a decade ago. Though the configuration is...
In an era where tech divers routinely experiment on themselves, the notion that hyperbaric scientists did the same to support WWII’s D-day effort may not seem...
By Ashley Stewart CO2 is a dangerous gas, which is why monitoring rebreather CO2 levels is important. VR Technology’s Kevin Gurr introduced the first gaseous CO2...
Tech divers like to dive deep, but have you ever considered diving high? We’re talking altitude people—places like Boesmansgat Cave, South Africa; Lake Titicaca, South America;...
In the early 1990s, when newly named “tech divers” were dying at an alarming rate, the fledgling tech community came together to create a consensus standard...