Thanks everyone, I've been interested in the potential for this design for a while
@TimothyC - thanks for the helicopters, the one I used was just a rushed repaint of Darth Panda's SH-60 so I shall update it to your drawing immediately
@Turrethead - I thought there was something different about them... I don't suppose you have a sample of the colour used? From browsing some modelling sights the suggested colour was something like this: