
LA VISTA, Neb. – Deterrence is not limited to nuclear weapons, but conventional arms and ballistic missile defense cannot substitute for the United States nuclear triad, a senior Defense Department official said here on Thursday.“Most of you have heard me say too many times that deterrence is not limited solely to nuclear weapons, non-nuclear strategic capabilities, be that ballistic missile defenses or investments in capabilities for conventional strike systems,” Elaine Bunn, deputy assistant secretary of defense for nuclear and missile…