Sources A non-comprehensive list of the sources used in the creation of this site. A special thanks also goes out to Paul Pepera without whom sonicbomb would not exist. - http://www.archive.org Internet Archive - Online digital library - http://www.johnstonsarchive.net/nuclear Johnston's Archive - http://nuclearweaponarchive.org The Nuclear Weapon Archive - https://www.osti.gov/opennet US Department of Energy - OpenNet System - https://www.dtra.mil Defense Threat Reduction Agency - https://www.llnl.gov Lawrence Livermore National Laboratory - https://www.atomcentral.com Atom Central - A division of Visual Concept Entertainment - https://www.iwm.org.uk The Imperial War Museum - https://www.awe.co.uk UK Atomic Weapons Establishment - https://www.wikipedia.org Wikipedia - The Free Encyclopedia - https://nuclearweaponarchive.org/News/Swords.html Swords of Armageddon - by Chuck Hansen - https://www.energy.gov/ea/nevada-national-security-site US Department of Energy - Nevada National Security Site - https://fas.org Federation of American Scientists - https://www.sandia.gov Sandia National Laboritories - https://www.ornl.gov Oak Ridge National Laboritories - https://www.history.navy.mil Naval History and Heritage Command - https://www.atomicheritage.org Atomic Heritage Foundation