Ever thought about how a company builds a modern airliner when its wings are made in one country, its fuselage in another, and its final assembly happens thousands of miles away? It sounds like an impossible puzzle, moving enormous aircraft parts across oceans and continents, all while keeping production on schedule. Yet this challenge led to one of the strangest and most fascinating cargo aircraft ever created.

So in this video we take a look at how Boeing solved that problem, how many Dreamlifters are flying today, and why these unusual aircraft are still essential to building the Boeing 787 Dreamliner.