Air Force Materiel Command posted a sources sought notice for the Next-Generation Penetrator on June 1. The notice identifies the weapon as the alternate name for the GBU-76/B. The GBU-76/B is intended to succeed the GBU-57 Massive Ordnance Penetrator. The Air Force used the GBU-57 in June 2025 to strike deeply buried Iranian nuclear facilities during Operation Midnight Hammer. That operation marked the first combat use of the 30,000-pound, 20-f…
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