The GBU-37 (''Guided Bomb Unit-37'') Global Positioning System Aided Munition (GAM) was developed for use with the

B-2 The Northrop (later Northrop Grumman) B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses. A subsonic flying w ...

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. It has been replaced on the B-2 by the 5,000-pound

GPS The Global Positioning System (GPS), originally Navstar GPS, is a Radionavigation-satellite service, satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of t ...

-aided/

INS INS or Ins or ''variant'', may refer to: Places * Ins, Switzerland, a municipality * Creech Air Force Base (IATA airport code INS) * Indonesia, ITF and UNDP code INS Biology *'' Ins'', a New World genus of bee flies * INS, the gene for the insul ...

-guided

GBU-28 The GBU-28 is a 5,000-pound (2,268 kg) class laser-guided "bunker busting" bomb 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 ...

References

External links

Northrop Grumman GAM (GPS-Aided Munition) - Designation Systems
Anti-fortification weapons Guided bombs of the United States Military equipment introduced in the 1990s {{USAF-stub