Career
Hansen"s documents were obtained through the United States. Freedom of Information Acting and since his death have been housed at the National Security Archive at George Washington University. In 1988, Hansen wrote the book United States. Nuclear Weapons: The Secret History, which, along with great detail about the process of developing, testing and administering atomic weapons was critical of the United States. Defense Department, the Atomic Energy Commission, and some other government agencies. In the book Hansen reported that the early years of nuclear testing were less successful than claimed.
Bombs failed, or yielded smaller or larger explosions than anticipated or announced, and attempts to develop a radioactivity-free bomb were unsuccessful.
United States. Nuclear Weapons: The Secret History is currently out of print, but it is available on compact disk through his publisher. A second compilation of Hansen"s material was published on compact disc as Swords of Armageddon in 1995.
While Hansen´s United States. Nuclear Weapons: The Secret History was very instructive, Swords of Armageddon contains much more information and details about nuclear weapons developed by United States. lieutenant is in its second revision.