1. Short title This Act may be cited as the Sentinel Nuclear Deterrence Act of 2023 . 2. Findings Congress finds the following: (1) Nuclear deterrence is a foundation of United States national security and the security of United States allies. (2) The nuclear triad provides nuclear deterrence through land-, sea-, and air-based forces. (3) The land-based leg of the nuclear triad is represented by the LGM–30G Minuteman III intercontinental ballistic missile weapon system, which was first deployed more than 50 years ago. (4) In order to modernize the land-based leg of the nuclear triad, the Air Force will replace the LGM–30G Minuteman III intercontinental ballistic missile weapon system with the LGM–35A Sentinel intercontinental ballistic missile weapon system. (5) According to the 2022 United States Nuclear Posture Review, the People’s Republic of China has embarked on an ambitious expansion, modernization, and diversification of its nuclear forces and the Russian Federation continues to modernize and expand its nuclear forces . (6) The rapid modernization of the land-based leg of the nuclear triad and deployment of the Sentinel weapon system is vital to nuclear deterrence and the national security of the United States and its allies. (7) The supporting infrastructure of the Sentinel weapon system will require a complex effort that will involve the construction or renovation of hundreds of facilities. (8) The Sentinel Systems Directorate is principally located at Hill Air Force Base, Utah. (9) Sentinel intercontinental ballistic missiles will replace the Minuteman III intercontinental ballistic missiles in missile fields at— (A) F.E. Warren Air Force Base, Wyoming; (B) Malmstrom Air Force Base, Montana; and (C) Minot Air Force Base, North Dakota. (10) Other support actions for the Sentinel weapon system will take place at— (A) Hill Air Force Base, Utah; (B) Utah Test and Training Range, Utah; (C) Camp Guernsey, Wyoming