Adm. Charles Richard, chief of U.S. Strategic Command, wants Congress to know that he believes President Biden's fiscal year 2023 defense budget reflects the "essential minimum" required for nuclear national security, telling lawmakers he sees the need for a low-yield nuclear weapon to address a "deterrence and assurance gap," according to a letter obtained by Inside Defense . Richard’s April 4 “unfunded priorities” letter to Congress comes as some lawmakers, mostly Republicans, oppose the Pentagon’s plans to terminate the Sea-Launched...