Caption: The traditional Mars symbol ♂ which modern times interpreted as a shield and spear---but this may not be its original meaning. This symbol is also the male gender symbol for reasons it's best not to go into here.

Credit/Permission: © David Jeffery, 2003 / Own work.
Image link: Itself.
Local file: local link: alien_mars_symbol.html.
File: Alien images file: alien_mars_symbol.html.