b'How many reactors do youhave out there?I NL has built 52 reactors on the desert Site. Its the largest complex of reactors and supporting nuclear research facilities in the world. Most of the early reactors have been decommissioned and torn down after accomplishing their nuclear energy research missions. The Department of Energy currently has six operating reactors in its fleet; four of which are located at INL. These include the Advanced Test Reactor (ATR), the ATR Critical Facility, the Neutron Radiography Reactor (NRAD) and the Transient Reactor Test(TREAT) Facility.'