What was the Emergency Rocket Communication System?

Introduction The AN/DRC-8 Emergency Rocket Communications System (ERCS) was designed to provide a reliable and survivable emergency communications method for the United States National Command Authority, using a UHF repeater placed atop a Blue Scout rocket or Minuteman II intercontinental ballistic missile (ICBM). ERCS was deactivated as a communication means when President George H.W. Bush… Read More


What is the US National Command Authority?

Introduction National Command Authority (NCA) is a term that was used by the Department of Defence of the United States of America to refer to the ultimate source of lawful military orders. Refer to DEFCON. Background The NCA was first alluded to in a 1960 Department of Defence document. It included at least the president… Read More

What is the National Military Command Centre?

Introduction The National Military Command Centre (NMCC) is a Pentagon command and communications centre for the National Command Authority (i.e. the President of the United States and the United States Secretary of Defence). Maintained by the Department of the Air Force as the “DoD Executive Agent” for NMCC logistical, budgetary, facility and systems support; the… Read More