Zombie Squad

From publisher blurb: The Zombie Squad is a Sci-Fi RPG where you play as Ex Military Criminal Black Op Units, called Penal Squadrons, that are sent out on missions either too dangerous or too dirty for Earth's Military forces. You are deniable and expendable and expected to accomplish your mission whatever it takes. With the skills and abilities to operate behind enemy lines or undercover on the many planets available to visit in the game. If you have ever wanted a game that mixes Star Wars, Aliens and Firefly and throws in a pinch of the Dirty Dozen and Inglorious Basterds then The Zombie Squad is the game you have been waiting for.