Two more were established by Groves soon after the war, the Brookhaven National Laboratory at Upton, New York, and the Sandia National Laboratories at Albuquerque, New Mexico.
Groves estableceu dous máis pouco despois da guerra, o Laboratorio Nacional Brookhaven en Upton, Nova York, e os Laboratorios Nacionais Sandia en Albuquerque.