U.S. Senate Democrats block a large defense policy bill amid objections tied to the United States’ military posture toward Iran. Multiple outlets report that the bill, described as a roughly $1 trillion to $1.15 trillion measure depending on coverage, is stopped through Senate procedural action by Democratic lawmakers who say it does not adequately reflect their concerns about an escalating or ongoing conflict involving Iran. The sources describe the Democrats’ move as a protest, linking their opposition to disagreements over how the legislation addresses risks and expectations around U.S. involvement. Although the reports differ slightly in the bill’s stated total cost—ranging from about $1 trillion to $1.15 trillion—they consistently characterize it as a major annual defense package. The blocking action prevents the legislation from advancing as planned and sets up further negotiations or a reworked package. The accounts indicate that the dispute centers on the bill’s Iran-related provisions or implications, rather than solely on general defense spending levels.