WASHINGTON — Hanwha Defense USA, a subsidiary of South Korea’s Hanwha Aerospace, has made a preliminary, non-binding offer to purchase Austal USA, the company announced today. “Any deal will be contingent on due diligence that permits a thorough evaluation of Austal USA’s operations and…This story appeared on breakingdefense.com , 2026-08-11 09:18:08.509000.