foreword by Senator Sam Nunn The 1991 collapse of the Soviet Union prompted international concern over the safety and security of the Soviet arsenal of weapons of mass destruction. In legislation sponsored by Senator Sam Nunn and Senator Richard Lugar, the U. S. Congress approved a program to assist Soviet weapons dismantlement. The Nunn-Lugar Cooperative Threat Reduction (CTR) program has since authorized more than $1.5 billion for a wide array of...