Accession Number:



Ground Based Strategic Deterrent (GBSD) (VER 6)

Descriptive Note:

[Technical Report, Congressional Report]

Corporate Author:

Library of Congress, Congressional Research Service

Personal Author(s):

Report Date:


Pagination or Media Count:



The Ground Based Strategic Deterrent GBSDrecently designated the LGM-35A Sentinel missileis expected to replace the Minuteman III MMIII Intercontinental Ballistic Missile ICBM in the U.S. nuclear force structure. MMIII has served as the ground-based leg of the U.S. nuclear triadland-based ballistic missiles, submarine launched ballistic missiles, and nuclear-capable bomberssince 1970. For details, see CRS Report RL33640, U.S. Strategic Nuclear Forces Background, Developments, and Issues, by Amy F. Woolf. The Air Force expects the Sentinel GBSD to begin replacing MMIII in 2029. Although some in Congress and outside government have debated whether to continue the program, the BidenAdministration has included 3.6 billion for the GBSD program in its FY2023 budget request and is expected to endorse the program in its Nuclear Posture Review.


Subject Categories:

  • Guided Missiles

Distribution Statement:

[A, Approved For Public Release]