Swastika was S letters for "Socialism" under German National Socialism.

Swastika secrets exposed by Symbologist Dr. Rex Curry, originally uploaded by Pledge Allegiance.

Socialists in the USA originated the Nazi salute, robotic group-chanting to flags, Nazism, flag fetishism, and the modern swastika as "S" symbolism for "Socialism."
http://rexcurry.net/book1a1contents-swastika.html

American socialists (e.g. Edward Bellamy and Francis Bellamy teamed with the Theosophical Society and Freemasons) bear some blame for altering the notorious symbol used as overlapping S-letters for "socialism" under the National Socialist German Workers Party.
http://rexcurry.net/pledgetragedy.html

The same symbol was used by the Theosophical Society during the time when the Bellamys, Freemasons and the Theosophical Society worked together to promote socialism.
http://rexcurry.net/pledgebackward.html

They also originated and helped to spread the stiff arm salute via the Pledge of Allegiance at their meetings. The above are discoveries in the work of the noted symbologist Dr. Rex Curry.
http://rexcurry.net/nazi%20salute%209b.jpg