The Typhon missile was tested by the Navy from the Desert Ship between 1961
and 1963. It consisted of a solid fuel booster and a ramjet sustainer. The missile and fire-control system
pioneered in digital design and the use of the traveling wave tube (TWT). Although the program was cancelled
in December 1963 after only ten firings, it provided much of the technology later to be found in the SM-2
and Aegis design.