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Air Force

Massive Ordnance Penetrator Modification Program Delayed By Build of Surrogate Targets

Frank Wolfe

Thursday, July 10th, 2025

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Massive Ordnance Penetrator Modification Program Delayed By Build of Surrogate Targets

Pictured is a U.S. Air Force airman at Royal Australian Air Force Base Amberley, Australia after a B-2 Spirit Bomber Task Force mission on August 16, 2024 (U.S. Air Force Photo)

The key element of the modification program for the Boeing [BA] 20-foot, 30,000 pound GBU-57 Massive Ordnance Penetrator (MOP) is the Large Penetrator Smart Fuze (LPSF). L3Harris Technologies' [LHX] L3 Fuzing and Ordnance Systems site near Cincinnati has been a subcontractor to Boeing on LPSF. LPSF is to improve MOP "probability of kill" against hard and deeply buried targets for which planners lack full insight on structure and depth. Yet, LPSF has had its challenges. In 2022, the Air Force…

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