- Underwater — Harrison

Despite the trauma of being the sole survivor, Harrison eventually faced his fear of the water. In 2015, he became a professional diver himself, trained by the very team that had rescued him from his "underwater tomb".

: He stood in freezing, chest-deep water, listening to the sounds of the ocean and the haunting silence of his 11 lost crewmates.

: Because Harrison had been at that depth for so long, his body had become "saturated" with pressurized gases. Bringing him to the surface too quickly would have been fatal, so he had to be transferred to a diving bell and then spend another 60 hours in a decompression chamber. Life After the Depths Harrison - Underwater

: For nearly 60 hours (about three days), Harrison survived in complete darkness, wearing only his boxers and a singlet.

: With no food and thinning oxygen, his only sustenance was a single bottle of Coca-Cola he found floating in the wreckage. The Miraculous Rescue Despite the trauma of being the sole survivor,

If you'd like, I can find more from the divers who found him or details on the physics of the air pocket that kept him alive.

The story of Harrison Okene is a harrowing true account of survival against impossible odds. In May 2013, the tugboat capsized off the coast of Nigeria during rough seas, sinking to the ocean floor nearly 100 feet (30 meters) below the surface. The Descent and Survival : Because Harrison had been at that depth

South African saturation divers were eventually sent to the wreck, but they were tasked with recovering bodies, not finding survivors.