BLU-109 bomb
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| Function: | Free-fall penetration bomb (guided when equipped as JDAM or Paveway GBU-27 Paveway III The GBU-27 Paveway III is a laser-guided bomb with bunker buster capabilities. It is a GBU-24 Paveway III that has been redesigned to be used by the F-117A Nighthawk stealth ground attack aircraft.-Combat history:... ) |
| Length: | 7 ft 11 in (2.4 m) |
| Diameter: | 14.6 in (370 mm) |
| Weight: | 1,927 lb (874 kg) |
| Range: | Varies by method of employment |
The BLU-109/B is a hardened penetration bomb used by the United States Air Force
United States Air Force
The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...
(BLU is an acronym for Bomb Live Unit). As other "bunker buster
Bunker buster
A bunker buster is a bomb designed to penetrate hardened targets or targets buried deep underground.-Germany:Röchling shells were bunker-busting artillery shells, developed by German engineer August Cönders, based on the theory of increasing sectional density to improve penetration.They were tested...
s", it is intended to smash through concrete shelters and other hardened structures before exploding. In addition to the US, it is part of the armament of the air force of Denmark
Royal Danish Air Force
The Royal Danish Air Force is the air force of Denmark with the capability to undertake homeland defense and homeland security roles as well international operations.-History:...
, France
French Air Force
The French Air Force , literally Army of the Air) is the air force of the French Armed Forces. It was formed in 1909 as the Service Aéronautique, a service arm of the French Army, then was made an independent military arm in 1933...
, Germany
Luftwaffe
Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....
, Greece
Hellenic Air Force
The Hellenic Air Force, abbreviated to HAF is the air force of Greece. The mission of the Hellenic Air Force is to guard and protect Greek airspace, provide air assistance and support to the Hellenic Army and the Hellenic Navy, as well as the provision of humanitarian aid in Greece and around the...
, Italy
Italian Air Force
The Italian Air Force has gone under different names in different periods:*Regia Aeronautica , from 1923 to June 1946*Aeronautica Nazionale Repubblicana, the air force of Italian Social Republic during World War II...
, Israel
Israeli Air Force
The Israeli Air Force is the air force of the State of Israel and the aerial arm of the Israel Defense Forces. It was founded on May 28, 1948, shortly after the Israeli Declaration of Independence...
, the Netherlands
Royal Netherlands Air Force
The Royal Netherlands Air Force , Dutch Koninklijke Luchtmacht , is the military aviation branch of the Netherlands Armed Forces. Its ancestor, the Luchtvaartafdeling of the Dutch Army was founded on 1 July 1913, with four pilots...
, and the United Arab Emirates
United Arab Emirates Air Force
The United Arab Emirates Air Force is the air force of the United Arab Emirates . Its predecessor was established in 1968, when the Emirates were still under British rule. Since then, it has undergone a continual reorganization and expansion in terms of both capability and numbers of aircraft...
.
Design
The BLU-109/B has a steel casing about 1 inch (25.4 mm) thick, filled with 530 lb (240 kg) of TritonalTritonal
Tritonal is a mixture of 80% TNT and 20% aluminium powder, used in several types of ordnance such as air-dropped bombs. The aluminium improves the total heat output and hence impulse of the TNT - the length of time during which the blast wave is positive...
. It has a delayed-action tail-fuze
Fuze
Fuze Beverage, commercially referred to as just Fuze , is a manufacturer of teas and non-carbonated fruit drinks enriched with vitamins. Currently the brand consists of five vitamin-infused lines: Slenderize, Refresh, Tea, Defensify, and Vitalize...
. The BLU-109 entered service in 1985
1985 in aviation
This is a list of aviation-related events from 1985: 1985 was the worst year in history for aviation disasters, among the crashes were Delta Air Lines Flight 191, killing 137 people, Japan Airlines Flight 123 killing 520 people, British Airtours Flight 28M, killing 55, Iberia Airlines Flight 610...
. It is also used as the warhead of some marks of the GBU-15
GBU-15
Guided Bomb Unit 15 is an unpowered, glide weapon used to destroy high-value enemy targets. It was designed for use with F-15E Strike Eagle, F-111 'Aardvark' and F-4 Phantom II aircraft, but the United States Air Force is currently only deploying it from the F-15E. The GBU-15 has long-range...
electro-optically guided bomb, the GBU-27 Paveway III
GBU-27 Paveway III
The GBU-27 Paveway III is a laser-guided bomb with bunker buster capabilities. It is a GBU-24 Paveway III that has been redesigned to be used by the F-117A Nighthawk stealth ground attack aircraft.-Combat history:...
laser-guided bomb
Laser-guided bomb
A laser-guided bomb is a guided bomb that uses semi-active laser homing to strike a designated target with greater accuracy than an unguided bomb. LGBs are one of the most common and widespread guided bombs, used by a large number of the world's air forces.- Overview :Laser-guided munitions use a...
, and the AGM-130
AGM-130
The AGM-130 is a missile developed by the United States of America.-Overview:The AGM-130 is a powered air-to-surface missile designed for strikes at long range against various targets...
rocket-boosted weapon. This weapon supposedly has the same penetration as the Small Diameter Bomb
Small Diameter Bomb
The GBU-39 Small Diameter Bomb is a 250 pound guided bomb that is intended to provide aircraft with the ability to carry a higher number of bombs...
, although it is not likely to be retired anytime soon, due to the much larger blast capable from its warhead.