lastmomentsalive on Instagram: "On November 5, 1983, a catastrophic accident occurred aboard the semi-submersible drilling rig Byford Dolphin in the North Sea. Four divers were in a decompression chamber system, resting at a pressure of 9 atmospheres (roughly 130 PSI) to simulate deep-sea conditions. The tragedy struck when a dive tender accidentally released the clamp connecting the diving bell to the chamber before it was fully sealed. This caused an explosive decompression, where the pressure