 Specifically, Heller is against Trump seeking $47.7 billion in his administration's budget request for fiscal year 2019 "to restart the licensing process for Yucca Mountain".In a letter to the Senate's Energy and Water panel, he called the idea a "breach of state sovereignty", citing "health and safety risks and potentially catastrophic financial risks" involved with the project's approval.The National Rifle Association endorsed Heller during his 2012 U.S. Senate run.