This page provides all possible meanings and translations of the word gbu-28
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Bunker Buster, Guided Bomb Unit-28, GBU-28(noun)
a 5,000 pound laser-guided bomb that can be programmed to penetrate to a given depth before exploding; used to penetrate hardened underground facilities
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The Guided Bomb Unit 28 is a 5,000-pound laser-guided "bunker busting" bomb nicknamed "Deep Throat" produced originally by the Watervliet Arsenal, Watervliet, New York. It was designed, manufactured, and deployed in less than three weeks due to an urgent need during Operation Desert Storm to penetrate hardened Iraqi command centers located deep underground. Only two of the weapons were dropped in Desert Storm, both by F-111Fs.
The Enhanced GBU-28 augments the laser-guidance with Inertial navigation and GPS guidance systems.
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