Initial Operational Capability (IOC): 2005
Total Production: 140
Unitary Cost: USD$130,000
Also Known As: Enhanced Paveway III and Enhanced Paveway IU
Origin: United States of America
Corporations: Raytheon
Parent System: Paveway
Initial Operational Capability (IOC): 1968
Total Production: 353,000
Family Members: EGBU-24 Paveway III, EGBU-27 Paveway III, GBU-10 Paveway II, GBU-12 Paveway II, GBU-16 Paveway II, GBU-24 Paveway III, GBU-27 Paveway III, GBU-28 Bunker Buster, GBU-48 Paveway II, GBU-49 Paveway II, GBU-50 Paveway II, GBU-58 Paveway and Paragon
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Description: The GBU-28 is a special bomb developed for penetrating bunkers located deep underground. The are modified tube of artillery with an added laser guidance package, the same used on the GBU-27 bomb. The GBU-28 fulfils the requirements of the US Air Force for penetrating Iraqi bunkers located deep underground during the Gulf war in 1991. The GBU-28 can penetrate more than six meters of concrete or more than 30 meters of earth.

The GBU-28 bunker-buster or GBU-28B/B weapon system armed with the BLU-113 penetrator warhead has been employed during Desert Storm (1991) and Enduring Freedom (2002) military operations, over Iraq and Afghanistan respectively.

Raytheon's GBU-28C/B or Enhanced Paveway III (Enhanced Paveway IU?) is a further evolution of GBU-28 featuring an improved guidance system and BLU-122 warhead. The guidance system was enhanced through the addition of GPS-aided navigation system while retaining laser guidance. The 5,000-pound class BLU-122 warhead provides improved lethality and penetration over the previously BLU-113 warhead. GBU-28C/B will be integrated on US Air Force F-15E and B-2A Spirit aircraft.

In October 2005 the US Air Force awarded Raytheon a contract covering 140 GBU-28C/B guidance control units and tail kits production under Lot 2 effort. The contract was valued at $18.5 million and was scheduled to be complete by May 2007.

GBU-28C/B Applications

Combat Aircraft B-2A Spirit F-15SG

GBU-28C/B Specifications

Diameter: 370 millimeter (14.6 inch)
Length: 7.62 meter (300 inch)
Wingspan: 1.65 meter (65 inch)
CEP: 9 meter
Max Range: 9,500 meter (5.13 nautical mile)
Warhead: 286 kilogram (631 pound)
Weight: 2,268 kilogram (5,000 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

GBU-28C/B News

There are 4 news between
31 Jan 2006 and 13 Nov 2011
Sunday, November 13, 2011Raytheon Develops Wireless Integration for Enhanced Paveway
Monday, November 16, 2009FMS: Singapore Seeks 670 Laser JDAM Bombs
Thursday, August 30, 2007US Air Force GBU-28 to Get SAASM Anti-Jamming Guidance Module
Tuesday, January 31, 2006GBU-28C/B Integrated with B-2 Stealth Bomber

Operators & Related Equipment


Grand Total 1402
Defensive Weapons
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