F.C.F. That Within

Sergeant Troy Black goes on a routine mission, but a betrayal sends him crashing into an ambush, which gets his unit killed and leaves him the sole survivor.   Stranded on a moon, with the military outpost a distance away and his oxygen almost depleted, he needs to find his way back to exact revenge on those that betrayed him, and find out what’s going on with the sudden bug infestation.   Will Troy get to the base before his oxygen runs out and get his revenge?