09/30/2006. Remarks by Jack McKillop: "The Matador was a tactical surface-to-surface missile originally considered as a pilotless bomber and designated B-61, The first production model was designated B-61A. In 1955, it was designated a tactical missile and redesignated TM-61A; later models were produced as TM-61B and TM-61C. TM-61Cs still in the inventory in 1963 were redesignated MGM-1Cs."