(Date and year unknown) - Hydrogen-fuelled J-2 Rocket engines for upper stage of the Uprated Saturn 1 and Saturn V vehicles are completed on this assembly line at the Canoga Park, California, plant of Rocketdyne, a division of North American Avoation, Inc. Engines are delivered to NASA, Douglas Aircraft Company and North American's Space and Information Systems Division for installation in Saturn upper stages. J-2 is developing a maximum thrust of 225,000 pounds in current flights. The engines operate in a cluster of five developing more than one million pounds of thrust in the S-II second stage of Saturn V.