Weapon System is a United States military term that designated, along with a weapon system number (e.g., WS-110), military experimental (MX)[2] systems prior to official naming (e.g., under a military aircraft designation system. Preceded by the first Skunk Works program (MX-813 (Convair XF-92) in 1946), the earliest "WS" designation was the 1954 WS-117L. Circa February 1950, an Air Research and Development Command" study prepared by Maj Gen Gordon P. Saville ... recommended that a 'systems approach' to new weapons be adopted [whereby] development of a weapon "system" required development of support equipment as well as the actual hardware itself."