is a derivative work of the following images: File:Gun-type_fission_weapon_en-labels_thin_lines.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2008-05-27T23:20:34Z
is a derivative work of the following images: File:Gun-type_fission_weapon_en-labels_thin_lines.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2008-05-27T23:20:34Z
July 2011 Source File:Gun-type_fission_weapon_en-labels_thin_lines.svg Author File:Gun-type_fission_weapon_en-labels_thin_lines.svg: Vector version by Dake