In January 1943, Grafton's successor, Major Arthur V. Peterson, ordered Chicago Pile-1 dismantled and reassembled at Red Gate Woods, as he regarded the operation of a reactor as too hazardous for a densely populated area.
En xaneiro de 1943 o sucesor de Grafton, Arthur V. Peterson, ordenou o desmantelamento do reactor Chicago Pile-1 e o seu reensamblado en Red Gate Woods, xa que consideraba a operación dun reactor algo demasiado perigoso como para permanecer nunha zona densamente poboada.