PITTSBURGH, July 15, 2026 (GLOBE NEWSWIRE) -- Eos Energy Enterprises, Inc. (NASDAQ: EOSE) (“Eos” or the “Company”), America’s leading innovator in designing, manufacturing, and providing zinc-based long-duration energy storage (LDES) systems sourced and manufactured in the United States, today announced a strategic partnership with the Department of War to enhance the resilience of national defense infrastructure. Eos was awarded a Golden Dome for America contract to integrate mission-ready long-duration energy storage supporting requirements of the nation’s defense shield.