A. Vinod Kumar replies: The Missile Technology Control Regime (MTCR) is an export control grouping, on the lines of the Nuclear Supplier Group (NSG), which issues norms and guidelines on the export (or transfer) of missiles and/or related materials and technologies. The Hague Code of Conduct (HCoC), as the nomenclature indicates, is a code of conduct expected of states in handling their ballistic missile systems or inventories.