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New pilot plant in Idaho Falls will provide essential component for Army munitions - Post RegisterPost Register · Tue, 04 Aug 2026 14:55:00 GMTArmy-backed antimony pilot opens in Idaho - Metal Tech NewsMetal Tech News · Fri, 31 Jul 2026 02:28:54 GMTPerpetua Resources, US Army, and Idaho National Laboratory Launch Critical Minerals Pilot Plant to Advance Antimony Trisulfide Supply - PR NewswirePR Newswire · Thu, 30 Jul 2026 10:30:00 GMT