In effect, more nuclear weapons states today threaten to use nuclear weapons in non-nuclear conflicts than was the case during the Cold War.

NPR: Nuclear Weapons Gain Importance for Regional Powers

But many systems that were not deemed vital during a nuclear war, such as non-strategic command and control, were left unprotected.

CENTERFORSECURITYPOLICY: Center For Security Policy

Sandia was born near Albuquerque soon after the Second World War and became our premier facility for developing the non-nuclear components of our nuclear weapons program.

WHITEHOUSE: VP Biden: The Path to Nuclear Security