weapons inspector

noun1

1. •
   An official (originally and chiefly one working for the United Nations) whose job is to examine the potential military research sites or equipment of a given state, as a means of ensuring disarmament or assessing compliance with arms treaties etc.

   • The UN security council is edging towards a compromise resolution on Iraq demanding unfettered access for weapons inspectors to Saddam Hussein's eight presidential palaces. — 2002