Amphibious ships have fallen below a readiness rate of 50% due to maintenance and procurement backlogs.
The 450,000-square-foot plant in Independence, Missouri, is expected to be fully operational by 2028.
Two senators introduced a bill that would authorize $19.5 billion for fiscal 2026 to build out Trump's "Iron Dome for America."
Guard, Reserve and active-duty units with a Pacific focus are taking priority, officials said.
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