Image: OceanGateA former OceanGate contractor, Antonella Wilby, testified before a U.S. Coast Guard panel on Friday that the company’s t**an submarine, which imploded last year during a dive to the t**anic’s wreckage, relied on an incredibly convoluted navigation system.As Wilby described it during the US Coast Guard Marine Board of Investigation hearing, the t**an’s GPS-like ultra-short baseline (USBL) acoustic positioning system generated data on a sub’s velocity, depth, and position using sound pings. Screenshot: U.S. Coast Guard video courtesy of Pelagic Research ServicesImages of the remains of the t**an submarine lying on the floor of the Atlantic Ocean were shared as part of the US Coast Guard hearing,That information…