Trump’s proposed ‘Golden Dome’ estimated to cost $1.2 trillion, far more than he initially said

President Donald Trump speaks in the Oval Office of the White House on May 20, 2025, in Washington. (AP Photo/Alex Brandon, File) 2026-05-12T18:15:47Z Washington (AP) — President Donald Trump’s plan to put weapons in space — pitched as a “Golden Dome for America” missile defense program — is estimated to cost $1.2 trillion, according to a new analysis from the Congressional Budget Office, a far heftier sum than the initial $175 billion price tag he gave last year. The nonpartisan CBO report, published Tuesday, is described as an analysis that reflects “one illustrative approach rather than an estimate of a specific Administration proposal.” The futuristic system was ordered by Trump in an executive order during his first week in office. He said then that he expected the system to be “fully operational before the end of my term,” which wraps up in January 2029. “Over the past 40 years, rather than lessening, the threat from next-generation strategic weapons has become more intense and complex with the development by peer and near-peer adversaries of next-generation delivery systems,” Trump said in his executive order, justifying the need for the missile defense system. freestar.queue.push(function () { window.fsAdCount = window.fsAdCount + 1 || 0; let customChannel = '/dynamic_' + fsAdCount; let adList = document.querySelectorAll(".fs-feed-ad") let thisAd = adList[fsAdCount]; let randId = Math.random().toString(36).slice(2); thisAd.id = randId; let thisPlacement = fsAdCount == 0 ? "apnews_story_feed" : "apnews_story_feed_dynamic"; freestar.newAdSlots({ placementName: thisPlacement, slotId: randId }, customChannel); }); The concept for the missile system is at least partly inspired by Israel’s multitiered defenses, often collectively referred to as the “Iron Dome,” which played a key role in defending it from rocket and missile fire from Iran and allied militant groups as it prosecutes the war on Iran alongside the U.S. The U.S. Golden Dome is envisioned to include ground and space-based capabilities able to detect, intercept and stop missiles at all major stages of a potential attack. /* Desktop-first: fully collapse by default */ #ap-readmore-embed { display: none; margin: 0; padding: 0; height: 0; min-height: 0; overflow: hidden; text-align: center; position: relative; z-index: 2; } /* Only show on mobile */ @media (max-width: 767px) { #ap-readmore-embed { display: block; margin: 28px 0; height: auto; overflow: visible; } } #ap-readmore-embed .ap-readmore-btn { appearance: none; 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window.dataLayer.push({ event: "ap_readmore_impression" }); observer.disconnect(); } }, { threshold: 0 }); io.observe(btn); } var stopEl = document.querySelector(STOP_SELECTOR); if (!stopEl) return; var rootCandidates = [ embed.closest(".Page"), embed.closest("article"), embed.closest("main"), document.body ].filter(Boolean); var root = rootCandidates.find(function (c) { return c.contains(stopEl); }) || document.body; var all = root.getElementsByTagName("*"); var hidden = []; for (var i = 0; i Congress has already approved roughly $24 billion for the missile defense initiative through Republicans’ massive tax and spending measure signed into law last summer. Last May, the president said the Golden Dome would cost $175 billion. The CBO last year estimated that just the space-based components of the Golden Dome could cost as much as $542 billion over the next 20 years. FATIMA HUSSEIN Hussein reports on the U.S. Treasury Department for The Associated Press. She covers tax policy, sanctions and any issue that relates to money. twitter mailto