Boeing Awarded $2 Billion Contract for Small Diameter Bomb Increment I Weapon Program

Boeing has been awarded a fixed-price-incentive, firm-target contract, worth around $2.2 billion, from the U.S. Air Force for the Small Diameter Bomb Increment I weapon program.

The U.S. Air Force Life Cycle Management Center (AFLCMC) at Eglin Air Force Base, Florida, is the contracting activity (FA8672-20-D-0001).

This contract provides for a guaranteed minimum Lot 15 award and a five-year ordering period for Small Diameter Bomb Increment I, focused lethality munition, containers and carriages for the U.S. Department of Defense (DoD) and Foreign Military Sales (FMS) partner nations – Australia, Belgium, Israel, Japan, Korea, Netherlands and Norway.

This award is result of a sole-source acquisition and Fiscal 2018, 2019, and 2020 missile procurement funds in the amount of $247.5 milion are being obligated at the time of award.

Work on the contract will be performed in St. Louis, Missouri, and is expected to be complete by September 2027.

GBU-39 Small Diameter Bomb

GBU-39 Small Diameter Bomb (SDB) is a 250 lb (110 kg) precision-guided glide bomb that is intended to provide aircraft with the ability to carry a higher number of more accurate bombs.

Most U.S. Air Force aircraft will be able to carry a pack of four SDBs using the BRU-61/A four-weapon smart pneumatic carriage in place of a single 2,000 lb (907 kg) bomb.

The SDB combines an effective, right-sized, penetrating and blast-fragmentation warhead and near-precision navigation/guidance to produce low collateral damage while achieving excellent effectiveness. SDB is effective against a wide variety of stationary targets including Command, Control, and Communications (C3) bunkers, air defense assets, airfields, Petroleum, Oil and Lubricant (POL) sites, missiles, and artillery.

The SDB provides the ability for day/night attack of fixed and stationary targets in adverse environmental and weather conditions.

The SDB is currently integrated on multiple aircraft including F-15E Strike Eagle, Panavia Tornado, JAS-39 Gripen, F-16 Fighting Falcon, F-22 Raptor, AC-130W Stinger II and AC-130J Ghostrider.

SDB delivery began in April 2005 after one of the most successful development and test programs on record.

GBU-39/B Weapon General Characteristics

• Weight: 268 lb (122 kg)
• Length: 70.8 in. (1.8 meters)
• Width: 7.5 in. (19 cm)
• Guidance: Near-precision Global Positioning System/Inertial Navigation System (INS/GPS) navigation with Anti-jam GPS and Selective Availability Anti-spoofing Module (SAASM)
• Standoff: Max Range: greater than 60 nm
• Warhead: Insensitive Munition compliant, Multipurpose – penetrating and blast fragmentation; penetrates greater than 3 ft steel reinforced concrete
• Fuze: Electronic Safe/Arm Fuze (ESAF), cockpit selectable functions – including air burst and delayed options


• USAF Air Combat Command (ACC) defined a mission need for a miniaturized munitions capability in 1997.
• The Joint Requirements Oversight Council validated this need and development began on the Small Diameter Bomb in 2001.
• After a 24-month component advanced development phase ended September 2003, Boeing was selected as the prime contractor to develop and produce the Small Diameter Bomb Weapon System.
• The contract for system development and demonstration was awarded October 2003. The system went into limited initial production in April 2005.
• In August 2006, the SDB was delivered to warfighters.

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