The GBU-28 (Guided Bomb Unit‐28) is a 4,000–5,000-pound (1,800–2,300 kg) class laser-guided "bunker busting" bomb produced originally by the Watervliet Arsenal, Watervliet, New York.

The Guided Bomb Unit-28 (GBU-28) is a special weapon developed for penetrating hardened Iraqi command centers located deep underground. The GBU-28 is a 5,000-pound laser-guided conventional munition that uses a 4,400-pound penetrating warhead.

Oct 12, 2021 · GBU-28 is a 4,000-pound penetration bomb that was created for destroying underground Iraqi command centers in the 1990s, according to the Federation of American Scientists.

Oct 12, 2021 · The GBU-28/B is a 5,000-pound-class precision-guided bunker-buster that uses a Paveway-series laser guidance system and that first entered Air Force service in 1991. These weapons were originally developed due to concerns about the ability of the BLU-109/B to reach certain deeply-buried targets in Iraq in the lead up to the first Gulf War.

Jul 26, 1991 · The GBU-28 is a laser-guided conventional munition that uses a modified Army artillery tube as the bomb body. They are fitted with GBU-27 LGB kits, 14.5 inches in diameter and almost 19...

GBU-28 variants are large 5,000-lb class air-to-ground penetrators initially developed for use against Iraq’s deeply buried, hardened C2 facilities. The GBU-28B adds GPS/INS guidance to the existing laser seeker for all-weather targeting. It entered production in 1999.

The Guided Bomb Unit 28 (GBU-28) is a 5,000-pound (2,268 kg) 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...

The new EGBU-28 (the "E" being for enhanced) replaces the GBU-37. This latest version of the "bunker buster" uses the Global Positioning System for guidance so that it can be dropped with...

Sep 28, 2024 · In 1981, Israel destroyed Iraq’s nuclear reactor, leading Iran, Hamas, and Hezbollah to build underground facilities, countered by bunker-busting bombs like the GBU-28.

Jul 7, 2011 · Development cost is not applicable to this munition.