If it is nuclear related it is fair game.Mars rover Curiosity is the latest anti nuclear target.

Curiosity's dirty little secret.

Curiosity runs on plutonium from a Soviet-era nuclear weapons plant.

Read more: http://www.smh.com.au/technology/technology-news/curiositys-dirty-little-secret-20120828-24xvn.html#ixzz25Nv3Pxwn