Hoover worked on various high-level applications such as research radar control programs of the Safeguard Anti-Ballistic Missile System, which were systems to intercept incoming intercontinental ballistic missile warheads.
Hoover har arbetat med olika viktiga applikationer, såsom forskning för radar kontrollprogram för Safeguard Anti-Ballistic Missile System, som var system för att fånga upp inkommande interkontinentala ballistiska missiler stridsspetsar.