I'm not
EDIT: It's a running joke with me ... don't worry if you don't get it, it's a joke I am the only one privy to.
EDIT2: I am actually serious about the grammar though, and if you don't see what's wrong with "Aliens ships" then you might what to look it up.
http://i.imgur.com/Ns4bjJj.jpg
Pedantry is normal here