Ooops. This 'underground' nuclear test in 1970 went badly. A ten-kiloton weapon, buried 900 feet in the ground, accidentally vented radiation 10,000 feet in the air, exposing test site employees and downwind communities to radioactive fallout.

Bob Hunter on Phyllis Cormack together with Ben Metcalfe en route to Amchitka to oppose US nuclear weapons testing.

On board the Phyllis Cormack during Greenpeace first protest against nuclear testing off coast of Canada.

Crew of PHYLLIS CORMACK. First Greenpeace trip to Amchitka Island to protest against USA nuclear testing.

Dave Birmingham raises Greenpeace sail on Phyllis Cormack.

Greenpeace vessel Vega boarded by French commandos in Moruroa nuclear test zone. Skipper David McTaggart was hospitalised from his beating by commandos and almost lost the sight in one eye.

GP activists under barrel dump platfrom GEM preventing nuclear dumping.

Chris Robinson, Lloyd Anderson, David McTaggart, Tony Marriner and Brice Lalonde on Greenpeace vessel "Vega" before heading to Moruroa to stop a nuclear weapons test.

Trinity balloon flying to protest nuclear testing