To amend title 10, United States Code, to provide for the issuance of a nuclear radiation medal to persons who while members of the Armed Forces participated in an activity resulting in risk of exposure to nuclear radiation.

Directs the Secretary of the military department concerned to issue a nuclear radiation medal to any person who, as a member of the armed forces, participated in a radiation-risk activity while serving on active duty or while performing active duty for training or inactive duty training.

Includes as a radiation-risk activity: (1) the on-site participation in a test involving the atmospheric detonation of a nuclear device; (2) the occupation of Hiroshima and Nagasaki, Japan, during a specified period during World War II; (3) internment as a prisoner of war in Japan during World War II that resulted in an opportunity for exposure to ionizing radiation; and (4) any other activity that resulted in such exposure, as determined by such Secretary.