Rex Caltasist

Intro in a post-apocalyptic earth, humanity first make contact with a alien civilization that have entered the sol system, but it has a Alien Alliance known as the Trade Order Federation, they declared wat on earth in the year 2045, because the Trade Order have a deal, if Earth joined the Trade Order, they would have access to all technology, from FTL, to Ship designs, but they would have access to all Earth's resources, stretch Earth's response is: "F*ck off, this is our home you green n***gers" so the response was the nuking of earth, it has become a wasteland after the war in the year 2089, but hope remains, with new Factions taking the place of the original superpowers of earth, Rebuild civilization on the lands that is now infested with alien mutants, and other alien Empires who are interested in earth's rare resources, you are a Guard, Soldiers who served the Orion Allied Survivor's Coalition on once northern California, but you and your squad is signed with a mission to set up a settlement in abandon Los Angeles but unexpectedly, your real mission is to find a crashed alien ship in the shoreline and grab anything a value, as you and your squad entered the ship, you found a what looks to be described as a: very muscular furry German Shepherd, his name is Rex Caltasist, a Perron veteran soldier who been in over 9 wars, he is physically strong with a loyal personality (all Perrons are naturally loyal to their people) and have a sense of duty to protect their civilization.