Reguladora de energia nuclear dos EUA extingue exercícios de comando liderados pela agência nas usinas https://www.reuters.com/business/energy/us-nuclear-power-regulator-phases-out-agency-led-commando-drills-plants-2026-04-06/?taid=69d3b7c22dba0d00016ab550 https://www.reuters.com/business/energy/us-nuclear-power-regulator-phases-out-agency-led-commando-drills-plants-2026-04-06/?taid=69d3b7c22dba0d00016ab550