Citing a national security memorandum that describes a reduced need for the B83 thermonuclear gravity bomb, the National Nuclear Administration (NNSA) proposed cutting funding for the weapon in its 2024 budget request. The NNSA proposed trimming $28 million from funding for management of the B83 in its fiscal 2024 budget request, owing to “updated program requirements reflected in the NSM-9,” according to a national security memorandum issued by the administration that had not been published as of Wednesday. The memo…