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Initial Operational Capability (IOC): 1999
Total Production: ?
Unitary Cost: USD$21,000
Also Known As: GBU-31(V)1, GBU-31(V)3 and GBU-31B
Origin: United States of America
Corporations: Boeing
Parent System: JDAM
Initial Operational Capability (IOC): 1999
Total Production: 250,000
Total Cost: USD$7.2 billion
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Description: The Joint Direct Attack Munition (JDAM) is a tail kit which converts free fall unguided bombs into precision-guided weapons. The tail section contains a GPS/INS guidance system that guides the JDAM bomb through the selected target. The JDAM bombs is available for all the fighting aircraft of the US inventory (B-1B, B-2A, B-52H, F-16C/D, F/A-18C/D, F/A-18E/F, F-15E, F/A-22, F-35, A-10A, S-3, F-117, AV-8B, and F-14A/B/D) as well as aircraft in development and foreign aircraft. The JDAM were used for the first time during operation Allied Force in 1999.

The JDAM bombs can be released in day/night and adverse weather at up to 15 miles away from the selected target. The Pentagon claims that JDAM bomb accuracy is about 13 meters CEP (Circular Error Probable), but according to Boeing sources JDAM accuracy is 9.6 meters CEP. Without the GPS guidance system using only the INS guidance system JDAM accuracy is 30 meters. The advanced capabilities of these smart bombs make possible to attack multiple targets simultaneously as it has been demonstrated during operational representative tests carried out by a B-2 Spirit dropping 16 JDAMs against several targets in a single mission.

The GBU-31 bomb can use the BLU-109 or the Mk-84 warhead to destroy bunkers and hardened targets.

Boeing delivered the 100,000th JDAM tail kit on December 2, 2004, to the US military since production started in 1998. Initial production was 900 tail kits per year, but as of December 2004 and following 9/11 terrorist attacks, tail kit production boosted and stands at 3,000 units per month. These tail kits provide precision strike capability to Mk 80 series bombs through GPS-aided navigation. To date, the US Air Force has received more than 50,000 JDAMs, the US Navy roughly 37,000 units, and the remaining tail kits (10,000?) were produced for international customers.

Boeing was awarded JDAM Lot 9 production contract valued at $609 million on 31-March-2005. The US Air Force Lot 9 contract called for 30,072 JDAM tail kits with 60 percent of those kits to be produced for 500-pound bombs (GBU-38). As of March 2005, Boeing has produced more than 112,000 JDAM tail kits. In October 2005 Australia's Department of Defense awarded Boeing a contract to provide 500-2000 pounds JDAM weapon systems in support of the Royal Australian Air Force's F/A-18 combat aircraft fleet.

In February 2006 Norway signed for the JDAM bomb to equip its F-16 fighter aircraft fleet providing all-weather, autonomous and accurate strike capability against a broad spectrum of targets. With this decision Norway became the 14th international and the fifth European customer for JDAM. In parallel, Boeing released that 140,000 JDAM bomb kits had been delivered to the US and international customers since production series started in 1998. In early March 2006 Boeing was awarded JDAM Lot 10 production contract for 10,000 JDAM tail kits for 500-, 1,000-, and 2,000-pound bombs owned by the US Air Force and the US Navy. This new contract was valued at $240 million and tail kits deliveries were slated for completion by February 2008.

GBU-31 JDAM Applications

Combat Aircraft A-10C Thunderbolt II Avenger ER B-1B Lancer B-2A Spirit B-52H Stratofortress F-117A Nighthawk F-14D Tomcat F-15E Strike Eagle F-15K Slam Eagle F-15SA F-15SG F-16C Block 50 F-16C Block 52 F-16D Block 50 F-16D Block 52 F-16E Desert Falcon F-16F Desert Falcon F-16I Soufa F-2 F-35A Lightning II F-35C Lightning II F/A-18E Super Hornet F/A-18F Super Hornet Predator C Avenger Defensive Weapons CMS

GBU-31 JDAM Specifications

Diameter: 630 millimeter (24.8 inch)
Length: 3.88 meter (153 inch)
CEP: 9.60 meter
Max Launch Altitude: 13,700 meter (44,948 foot)
Max Range: 24,000 meter (13.0 nautical mile)
Weight: 960 kilogram (2,116 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-31 JDAM News

There are 67 news between
20 Mar 2003 and 14 Jun 2019
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Friday, June 14, 2019US Air Force Extends JDAM Bomb Tail Production Until 2025
Friday, May 3, 2019FMS: Bahrain Wants Weapons to Support F-16 Block 70 and F-16V Aircraft Fleet
Monday, April 1, 2019US Air Force Orders JDAM and Laser JDAM Bomb Kits Through 2029
Monday, November 19, 2018FMS: NATO Seeks 4,665 Precision Guided Munitions
Thursday, April 12, 2018F-35 Stealth Fighter Completes Flight Test Program
Friday, December 23, 2016FMS: Kuwait Seeks 1,500 JDAM Bomb Tail Kits
Tuesday, July 19, 2016FMS: United Arab Emirates Seeks 14,640 Guided Bombs
Tuesday, May 31, 2016US Air Force Awards $3.2 Billion Contract for JDAM Bombs
Monday, November 16, 2015FMS: Saudi Arabia Requests Thousands of Guided Bombs
Thursday, November 5, 2015FMS: United Arab Emirates Seeks Joint Direct Attack Munitions

Operators & Related Equipment

Saudi Arabia1,350
Royal Saudi Air Force (RSAF) 250 GBU-31 for MK-84 and 100 GBU-31 for BLU-109 warheads
United States of America212,588
The number of bombs refers to all JDAM models

Grand Total 218,67814
Defensive Weapons
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