The US Army Corps of Engineers used a VideoRay Pro4 to inspect a hurricane-damaged dam in Puerto Rico as a pre-dive safety assessment.
“We first used an ROV to give us an idea of the safety conditions below the water, before we were willing to send a diver down there, as well as inspect and record portions of the structure that would not be accessible to one of our divers” said Weston Cross, a Buffalo District Engineer and dive team member. “We were able to determine that the gates were where they were supposed to be, the concrete was in good condition, and there weren’t any obstructions that could foul the diver.”
Full article available at: DVIDS News, 31mar18