A bill to amend the Atomic Energy Act of 1954 to provide criminal penalties for offenses committed under the Act with the intent to convert nuclear material or facilities.

Revises penalties under the Atomic Energy Act of 1954 for unlawful production or possession of, or domestic or foreign commerce in, special nuclear materials, atomic weapons, or utilization or production facilities to impose a separate mandatory term of imprisonment to not less than 20 years or life for the commission of such an offense with intent to convert the material, weapon, or facility involved.

Imposes a like penalty for a violation, attempted violation, or conspiracy to violate a provision of the Atomic Energy Act of 1954 for which no criminal penalty is specified if such offense is committed with intent to convert source material, special nuclear material, by product material, or a utilization or production facility.