Its dissemination is therefore controlled and limited. UCNI is a response to a requirement of the Atomic Energy Act. The process of increasing the percentage of U235 isotopes so that the uranium can be used as reactor fuel or in nuclear weapons. Process of immobilizing radioactive material by encapsulating it into a glasslike solid. Explosive part of a nuclear weapons system.
Warheads consist of nuclear materials, conventional high explosives, and related firing mechanisms.
The process of constructing a nuclear device, or testing its component parts separately, or in a weapon-model, to validate its design. Component and model testing require special instruments, many of which are dual-use in character. See Dual Use. The process by which NW are deternuned to be obsolete or unnecessary for national defense. A retired weapon or weapon system is no longer in an active status or deliverable, but may still be a fully functioning nuclear device.