Vadim Ghirda/AP Save for later Print Download Share LinkedIn Twitter Russia's invasion and occupation of the Zaporizhzhia nuclear power plant opened a proverbial Pandora's Box for experts wondering how the risks it poses might be incorporated into existing nuclear safety and security arrangements. Beyond those issues and the International Atomic Energy Agency's (IAEA) ongoing role in dealing with the nuclear crisis, US government experts have been working quietly in the background to help Ukraine prepare for a military strike or loss of power — or both — at the country's three other nuclear power plants.