Overview
- The partial solicitation lists the award in the highest bracket at more than $100 million, while the quantity and delivery timeline are not disclosed.
- Multiple B-2 bombers used 14 of the weapons in June 2025 against Iranian underground nuclear sites, including Fordow, marking the munition’s first combat use.
- The GBU-57 is a GPS-guided, earth-penetrating bomb over six meters long and about 13.6 tonnes, designed to detonate deep underground.
- Only the U.S. B-2 Spirit can carry the weapon and at most two per sortie, contributing to limited inventories reported to be only a few dozen.
- The procurement comes as U.S.-Iran talks continue and President Trump warns of severe consequences if no deal is reached.