http://dbpedia.org/data/Operation_Grapple.atom2026-06-30T21:53:58.855305ZOData Service and Descriptor Documenthttp://dbpedia.org/resource/Operation_Grapple2026-06-30T21:53:58.855305Z
Grapple X test in November 1957. Britain's first fully successful hydrogen bomb test
Air drop, balloonBritish nuclear weapons tests of very-early hydrogen bombs9Ison-Britannian asevoimien ydinkoesarja1957United KingdomGrapple