An elite unit with its history dating back over 100 years

Now a black ops raiding unit, MSAR started as an elite mountaineer regiment in World War I, high priority informations unit in World War II, spy agency in the Cold War, a counter terrorist and special operations unit in the 1980's - 2000's. Now, in the wake of a zombie apocalypse, a militarist raider unit sent as support with Coalition aid groups sent to various countries around the world; a focus on stabilizing humanity from the outbreak.