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GBU-57 Massive Ordnance Penetrator
The 30,000lb US bunker-busting bomb designed to destroy hardened underground facilities, delivered only by the B-2 Spirit.
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#74 6 Apr
Mentioned in: Fordow inoperable since June 2025 bunker-busters
Iran Conflict 2026#44 20 Mar
Mentioned in: CENTCOM: 8,000 targets, 130 ships in 22d
Iran Conflict 2026#42 18 Mar
Mentioned in: 7,000 targets struck; no end in sight
Iran Conflict 2026#32 9 Mar
Mentioned in: $1.9bn a day, no bill to Congress
Iran Conflict 2026#25 6 Mar
Mentioned in: 80 aircraft, 230 bombs hit IRGC academy
Iran Conflict 2026#24 6 Mar
Mentioned in: Epic Fury costs $3.7bn in 100 hours
Iran Conflict 2026#23 6 Mar
Mentioned in: B-2s hit Iran's buried missile launchers
Iran Conflict 2026#19 4 Mar
Mentioned in: Hegseth: second massive assault imminent
Iran Conflict 2026#19 4 Mar
Mentioned in: Pentagon: Iran missile rate declining
Iran Conflict 2026#14 3 Mar
Mentioned in: GBU-57 bunker buster not used at Natanz
Iran Conflict 2026#14 3 Mar
Mentioned in: Natanz entrance hit; centrifuges missing
Iran Conflict 2026#12 2 Mar