radiation-risk activity
(3) For the purposes of this subsection: (A) The term “radiation-exposed veteran” means (i) a veteran who, while serving on active duty, participated in a radiation-risk activity, or (ii) an individual who, while a member of a reserve component of the Armed Forces, participated in a radiation-risk activity during a period of active duty for training or inactive duty training. (B) The term “radiation-risk activity” means any of the following: (i) Onsite participation in a test involving the atmospheric detonation of a nuclear device (without regard to whether the nation conducting the test was the United States or another nation). (ii) The occupation of Hiroshima or Nagasaki, Japan, by United States forces during the period beginning on August 6, 1945 , and ending on July 1, 1946 . (iii) Internment as prisoner of war in Japan (or service on active duty in Japan immediately following such internment) during World War II which (as determined by the Secretary) resulted in an opportunity for exposure to ionizing radiation comparable to that of veterans described in clause (ii) of this subparagraph. (iv) Service in a capacity which, if performed as an employee of the Department of Energy, would qualify the individual for inclusion as a member of the Special Exposure Cohort under section 3621(14) of the Energy Employees Occupational Illness Compensation Program Act of 2000 ( 42 U.S.C. 7384 l(14)). (v) Cleanup of Enewetak Atoll during the period beginning on January 1, 1977 , and ending on December 31, 1980 . (vi) Onsite participation in the response effort following the collision of a United States Air Force B–52 bomber and refueling plane that caused the release of four thermonuclear weapons in the vicinity of Palomares, Spain, during the period beginning January 17, 1966 , and ending March 31, 1967 . (vii) Onsite participation in the response effort following the on-board fire and crash of a United States Air Force B–52 bomber that caused the release of four thermonuclear weapons in the vicinity of Thule Air Force Base, Greenland, during the period beginning January 21, 1968 , and ending September 25, 1968 .