“You are a marine, one of Earth’s toughest, hardened in combat and trained for action.[1] Shortly after reporting for duty at the Union Aerospace Corporation’s Mars research facility, a massive demonic invasion overwhelms the base, leaving chaos, horror and uncertainty in its wake.As one of only a few survivors, you must use overwhelming firepower and all of your combat skill to battle through the demon hordes, find out what went wrong and prevent the evil from spreading. Only you stand between Hell and Earth.[2]“― The Doom Marine description. [src]The Marine (aka Doom Marine or the Marine Transfer) is the alternate version of Doom Slayer. He is a marine soldier in the Marine corps, serving as a member of Thomas Kelly platoon before hell broke loose on earth. A hardened and trained soldier, he serves as the main protagonist of Doom 3 and its BFG edition.Contents1 Biography1.1 Background1.2 Doom 32 Trivia2.1 Attachments3 Gallery4 ReferencesBiography[]Background[]You are a marine, one of…