4. Giants

Traces the story of aviation's most mammoth aircraft. Built for civil and and military uses, these amazing planes stun the imagination with their vast size. With names such as 'Fat Albert' and 'Pregnant Guppies' these giants of the skies rank with the world's strangest aircraft. From dirigibles like the Hindenberg and Howard Hughes' Spruce Goose, touching all the major milestones along the way, up to the B36, B52, and B1 bombers; the C5 Galaxy; and the U.S.S.R.'s giant AN 124.