GBU-37 GPS-Aided Munition

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GBU-37 GPS Aided Munition
Type "Bunker buster" bomb
Place of origin United States
Service history
Used by United States Air Force
Production history
Manufacturer Northrop Grumman[1]
Variants GBU-36
Weight 4,700 pounds (2,100 kg)
Length 17 feet (5.2 m)
Diameter 31 inches (0.79 m)

Effective firing range 5 nautical miles (9.3 km)

The GBU-37 (Guided Bomb Unit-37) Global Positioning System Aided Munition (GAM) was developed for use with the B-2 Bomber. The bomb can penetrate hardened targets or targets buried deep underground. The first all-weather precision-guided bunker buster, it became operational in 1997.[1][2] It has been replaced on the B-2 by the 5000-pound GPS-aided/INS-guided GBU-28.


  1. ^ a b "Global Positioning System Aided Munition (GAM) GBU-36/B & GBU-37/B". Smart Weapons. Retrieved 29 January 2012. 
  2. ^ "PROCUREMENT OF AMMUNITION" (PDF). USAF. Retrieved 29 January 2012. 

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