The Building's Big, But Not Big Enough - The tail structures of these early-modes B-36B air-planes are too big for the Consolidated Vultee aircraft plant here where they are being modernized into jet-augmented B-36D bombers. So the company cut circular holes in huge sliding doors for this porthole-like effect, while work proceeds on forward portions of the planes inside. October 13, 1950. (Photo by AP Wirephoto).