This video is 58 min long.Robert A. Lynch was the engineering director for the Navy's Tomahawk cruise missile program from 1972 to 1979. This is a recording of a talk he gave at the San Diego Air and Space Museum in the Spring of 2012.
From the archives of the San Diego Air and Space Museum http://www.sandiegoairandspace.org Please do not use for commercial purposes without permission.
But that leaves one variant unaccounted for? Does anyone know what its designation is?