Martian Successor Nadesico

Only one ship stands between earth and total annihilation! The High Mobile Battleship Nadesico is the most formidable fighting machine ever conceived, but due to a shortage of trained soldiers, the crew is a little unorthodox. The poor Jovians don't stand a chance against the largest contingent of geeks and misfits ever sent into orbit!

Keywords: post-traumatic stress disorder (ptsd), space colony, mecha, alien invasion, anime