Are you sure? because in Fallout 4 it is hinted P.A.M from the railroad might the cause of U.S launching the nuke first for Mutual Assured Destruction.
mad max style truck base,decked with heavy incenerator, light machine gun, grenade launcher. equip with reloading bench, workbench. energy cell and microfusion cell recharger.
honest heart dlc, one of the easiest dlc...well except yao guai and occasional cazadore. If your build is sniper courier; this would be cakewalk, lotsa open space and distance
one of the mod I used in fallout new vegas; robot companion. used for science repair playthrough. interesting effect. you can search it in the popular FNV mod in nexusmods