Boeing has played a key role in ICBM development design, production and maintenance since Minuteman I was conceptualized in 1958. Boeing performs ICBM repair activities at its Guidance Repair Center in Heath, Ohio, and is an ICBM Prime team member. ICBM's integrated product teams, including more than 1,000 Boeing employees, spans several locations, including El Paso, Texas; Heath, Ohio; Mesa, Ariz.; Ogden, Utah; Anaheim, Calif., and Honeywell in Clearwater, Fla.