Diving Bell Disaster: Truls Hellevik

The Byford Dolphin was an oil rig where, in 1983, a diving bell carrying four men accidentally depressurized. Norwegian diver Truls Hellevik and four others were killed when a clamp was opened prematurely, causing explosive decompression that dismembered Hellevik and severely injured another tender. The nine-atmosphere air pressure explosively decompressed, forcing Hellevik's body through a 60-centimeter-diameter (24 in) opening. It remains the only time in history where a human being was torn apart from rapid decompression.