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| GBU-28 |
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| Primary Function: | 5,000 pound (2,273 kg) unpowered, hard target laser guided weapon |
| Length: | 25 ft (7.6 m) |
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| Diameter: | 2 ft 4 in (711 mm) |
| Wingspan: | 5 ft 5 in (1.7 m) |
| Range: | More than 5 nautical miles (9 km) |
The Guided Bomb Unit 28 is a 5,000 pound laser-guided "
Bunker Busting " bomb. It was specifically developed for US Military use in
Operation Desert Storm to penetrate hardened
Iraqi command centres located deep under ground. However, only two of these weapons were dropped in Desert Storm, both by
F-111Fs .
GBU-28's are modified 8" artillery barrels, weight 4,700 pounds, and contain 630 pounds of high explosives. The operator illuminates a target with a
Laser designator and then the
Munition guides to a spot of laser energy reflected from the target.
The bomb underwent critical testing in
Nevada at the
Tonopah Test Range , a major test facility for
DOE funded weapon programs.
