Why NASA Has A 9-11 memorial On MARS?

While I was checking out the new images sent by Curiosity and some stuff about the Mars Exploration Rover program, I stumbled upon a website of NASA about an alleged “tribute” to the victims of the 9-11, in the shape of cable shields made with scrap metal from debris of the WTC, assembled in both rovers Spirit and Opportunity, which would become a “memorial” as soon as they stopped functioning. What NASA calls a “tribute” looks more like a creepy ritual and a veiled confession that the victims of the 9-11 were sacrificed to the ancient Roman god of war Mars.

http://www.nasa.gov/mission_pages/mer/news/mer20110908.html
http://www.nasa.gov/images/content/585262main_pia05221-full_full.jpg