Nunn–Lugar Cooperative Threat Reduction
Cooperative Threat Reduction (CTR) is a counterproliferation program of the United States government, initially aimed at the post-Soviet states. As the dissolution of the Soviet Union appeared imminent, the United States and their NATO allies grew concerned that Soviet weapons of mass destruction i.e.
Source: Wikipedia — Nunn–Lugar Cooperative Threat Reduction (CC BY-SA 4.0)