Stockpile systems 94,300 94,300 W78 Stockpile systems 81,329 81,329 W80 Stockpile systems 80,204 80,204 B83 Stockpile systems 35,082 35,082 W87 Stockpile systems 83,107 83,107 W88 Stockpile systems 180,913 180,913 Total, Stockpile systems 619,482 619,482 Weapons dismantlement and disposition Operations and maintenance 56,000 56,000 Stockpile services Production support 512,916 512,916 Research and development support 38,129 38,129 R&D certification and safety 216,582 216,582 Management, technology, and production 300,736 300,736 Total, Stockpile services 1,068,363 1,068,363 Strategic materials Uranium sustainment 87,182 87,182 Plutonium sustainment 361,282 361,282 Tritium sustainment 205,275 205,275 Lithium sustainment 29,135 29,135 Domestic uranium enrichment 100,704 100,704 Strategic materials sustainment 218,794 218,794 Total, Strategic materials 1,002,372 1,002,372 Total, Directed stockpile work 4,666,205 4,666,205 Research, development, test and evaluation (RDT&E) Science Advanced certification 57,710 57,710 Primary assessment technologies 95,057 95,057 Dynamic materials properties 131,000 131,000 Advanced radiography 32,544 32,544 Secondary assessment technologies 77,553 77,553 Academic alliances and partnerships 53,364 53,364 Enhanced Capabilities for Subcritical Experiments 117,632 117,632 Total, Science 564,860 564,860 Engineering Enhanced surety 43,226 43,226 Weapon systems engineering assessment technology 27,536 27,536 Nuclear survivability 48,230 48,230 Enhanced surveillance 58,375 58,375 Stockpile Responsiveness 34,000 34,000 Total, Engineering 211,367 211,367 Inertial confinement fusion ignition and high yield Ignition 22,434 22,434 Support of other stockpile programs 17,397 17,397 Diagnostics, cryogenics and experimental support 51,453 51,453 Pulsed power inertial confinement fusion 8,310 8,310 Facility operations and target production 319,333 319,333 Total, Inertial confinement fusion and high yield 418,927 418,927 Advanced simulation and computing Advanced simulation and computing 656,401