Ukrainian farm equipment, but that the dealers who owned the equipment locked it remotely. Spaceflight Range safety systems can automatically destroy errant vehicles in-flight. Range-safety officers may also manually destroy vehicles; this method was used to destruct errant solid rocket boosters in the Space Shuttle Challenger disaster. See also a fast kill switch for table saws triggered by electrical conductivity of user's finger. the opposite of a kill switch, where a system is designed to operate even if damage or injury will occur. References Safety switches