In 1983, the nuclear-powered submarine USS Seaview, then under the command of Admiral Harriman Nelson, was dispatched to the North Atlantic to oversee experiments related to Project Spindrift

Giant Surprise Part 8For the men and women of Seaview, at the time the world's largest nuclear sub, this marked the second time in a decade they'd been involved in a scientific project of global importance; the first came in 1973, when they spent six weeks in the Arctic Circle monitoring the Van Allen belt.