contents Image courtesy The Scottish Association for Marine Science (SAMS) High Definition Hydrographic Survey in Extreme Tidal Sites Photo from iXblue USVs Line up for Offshore Wind Work Image copyright Stuart Conway/Courtesy UKHO Inside the new UK Center for Seabed Mapping How to Choose the Best Inertial Solution for your Application and Accuracy Needs Image courtesy Subcon Blue Solutions/Wonder Reef Wonder Reef: Where Engineering meets Art, Subsea Photo Credit: IMCA A New Era of Affordable Tangle-Free Propulsion Image courtesy Seagate Technology We need the Cloud to Study the Depths Image courtesy DARPA Back to the Future Photo by NOAA Fisheries/Mylene Dufour Eyes in the Sky: ACUASI keeps an Unmanned Eye to Prevent Ship/Whale Collisions Image courtesy eTrac, a Woolpert Company Innovative New Products & Solutions