Dropping Britain's First H-Bomb: The Story of Operation GRAPPLE, 1957/58EbookDropping Britain's First H-Bomb: The Story of Operation GRAPPLE, 1957/58byKenneth HubbardRating: 0 out of 5 stars0 ratingsSave Dropping Britain's First H-Bomb: The Story of Operation GRAPPLE, 1957/58 for later