a wing tip to wing tip coupling to get fighter/recon planes in the bombing region with less fuel used, worked. The reduced drag made up for the increased weight

found on http://strangernn.livejournal.com/907787.html but full story at http://strangernn.livejournal.com/907173.html#cutid1  and http://strangernn.livejournal.com/906697.html

screen shots from war documentaries in the movie "The Fog of War"