US Pushes Ahead with Nuclear Plans Despite Watchdog Concerns This undated aerial photo shows the Los Alamos National Laboratory in Los Alamos, N.M. (The Albuquerque Journal via AP) 30 Apr 2021 ALBUQUERQUE, N.M. — The Biden administration appears to be picking up where former President Donald Trump left off as the federal agency that oversees U.S. nuclear research and bomb-making has approved the conceptual design and cost range for infrastructure investments for a multibillion-dollar project to manufacture key components for the nation’s nuclear arsenal. The National Nuclear Security Administration in a decision announced Wednesday stated that planning and construction could cost upwards of $4 billion initially.