The greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states.
![The greatest threat to U.S. and global security is no longer The greatest threat to U.S. and global security is no longer Image](https://www.idlehearts.com/images/the-greatest-threat-to-us-and-global-security-is-no-longer.jpg?x85372)
The greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states.