During a recent visit to the Y-12 National Security Complex, Rep. Mike Simpson (R-Idaho), chairman of the House Energy and Water Appropriations Subcommittee, is shown some of the technology in the Highly Enriched Uranium Materials Facility by Warehousing and Transportation Operations Manager Byron Hawkins. Simpson toured Y-12 with Rep. Chuck Fleischmann (R-Tenn.) as well as NNSA Production Office Deputy Manager Teresa Robbins, Consolidated Nuclear Security President and Chief Executive Officer Jim Haynes, and CNS Y-12 Site Manager Bill Tindal. In addition to touring HEUMF, the congressmen also visited Building 9212, Building 9204-2 and the future site of the Uranium Processing Facility.