Amazing account of the moving of these spy planes from the Lockheed plant to Area 51.

Dorsey Kammerer was appointed to head up the activity to build and use the transportation carriage system. An early-on step was to equip a pickup truck with a set of extension poles sized to the width, height of the main transport carriage trailer. An initial plan was to drive the best estimate route of travel, noting the obstacles to easy movement of the carriage boxes. Several photos show this arrangement and its use along the roads.

— Transporting the A-12 by Roadrunners Internationale