Technical diving instructor and inventor Gregory Borodiansky is qualified to dive 20 different rebreathers. He is also a rebreather instructor on many units and a rebreather instructor trainer. Since Borodiansky has a background in electronic engineering and computer science, he took the features he liked on each unit and designed a front-mounted rebreather. Larry Cohen reports.

To help promote dive tourism in the Baltic Sea, the European Union’s Project Baltacar, a collaboration between Sweden, Finland and Estonia, has developed underwater heritage trails for visiting a selection of unique wreck sites in the three countries. In Finland, the project has established buoys and created dive site maps for a group of five wrecks from the 17th to the 19th centuries, located just outside Hanko. Susanne Lundvall reports.

It is estimated that hundreds of thousands of tons of ghost nets lie at the bottom of the Baltic Sea, often caught on shipwrecks, many of which are historical in significance. The Baltic Sea Heritage Rescue Project brings together volunteers from all over the world with the drive to locate, document and remove such ghost nets from wrecks in the Baltic Sea, thus saving marine life, protecting the wrecks and keeping their stories alive.

Scapa Flow, located in the Orkney Islands of Scotland, is the site of the scuttling of the High Seas Fleet of the Imperial German Navy in June 1919 at the end of World War I. While many of the wrecks were salvaged following the war, the remaining wrecks have become popular dive sites. In recent times, efforts to learn more about these wrecks through multibeam sonar surveys and 3D photogrammetry have taken place. Rosemary E.