http://www.thelivingmoon.com/45jack_files/03files/Mission_Patches_Their_Source_and_Meaning_003.html
http://www.abovetopsecret.com/forum/thread470427/pg4
http://www.aviationweek.com/Blogs.aspx?plckBlogId=blog:27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog:27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post:3a3730f4-c5f9-475c-be42-1fdc18846c1b