fuels development 0 0 Total, Defense Nuclear Nonproliferation R&D 495,357 475,857 Nonproliferation construction U. S. Construction: 18–D–150 Surplus Plutonium Disposition Project 79,000 79,000 99–D–143, Mixed Oxide (MOX) Fuel Fabrication Facility, SRS 220,000 220,000 Total, U. S. Construction: 299,000 299,000 Total, Nonproliferation construction 299,000 299,000 Total, Defense Nuclear Nonproliferation Programs 1,607,507 1,588,007 Legacy contractor pensions 13,700 13,700 Nuclear counterterrorism and incident response program Nuclear counterterrorism and incident response 0 0 Emergency Operations 35,545 25,945 Non-defense function realignment [–9,600] Counterterrorism and Counterproliferation 336,550 336,550 Total, Nuclear counterterrorism and incident response program 372,095 362,495 Subtotal, Defense Nuclear Nonproliferation 1,993,302 1,964,202 Adjustments Use of prior year balances 0 0 Total, Adjustments 0 0 Subtotal, Defense Nuclear Nonproliferation 1,993,302 1,964,202 Rescission Rescission of prior year balances 0 0 Rescission of prior year balances (Gen. Prov.) 0 0 Total, Defense Nuclear Nonproliferation 1,993,302 1,964,202 Naval Reactors Naval reactors development 531,205 531,205 Columbia-Class reactor systems development 75,500 75,500 S8G Prototype refueling 155,000 155,000 Naval reactors operations and infrastructure 553,591 553,591 Program direction 50,500 50,500 Construction: 20-D–931, KL Fuel development laboratory 23,700 23,700 19–D–930, KS Overhead Piping 20,900 20,900 17–D–911, BL Fire System Upgrade 0 0 15–D–904, NRF Overpack Storage Expansion 3 0 0 15–D–903, KL Fire System Upgrade 0 0 14–D–901, Spent fuel handling recapitalization project, NRF 238,000 238,000 Total, Construction 282,600 282,600 Transfer to NE—Advanced Test Reactor (non-add) ( 0) ( 0) Total, Naval Reactors 1,648,396 1,648,396 Defense Environmental Cleanup Closure sites: Closure sites administration 4,987 4,987 Richland: River corridor and other cleanup operations: River corridor and other cleanup operations 139,750 139,750 Central