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Апатинаити · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
FAB-250larger figure on 2 of 2
GBU-39 Small Diameter Bomblarger figure on 0 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source1.92 m[source]
Length
Single sourceConfiguration
| Specification | FAB-250 | GBU-39 Small Diameter Bomb |
|---|---|---|
| Type | High-drag and low-drag general-purpose bomb[source] | Glide bomb[source] |
| Place of origin | Soviet Union[source] | United States[source] |
| Produced | 1946–? (M-46) 1954–present; (M-54); 1962–present (M-62)[source] | 2005–present[source] |
| Variants | KAB-250[source] | GBU-39/B GBU-39A/B GBU-39B/B |
70.8 in (1.80 m)[source]
packed
Single sourcewings extended
Single source5 ft 3.3 in (1.61 m) (wings extended) 7.5 in (190 mm) packed[source]
Operational; All SDB I variants over when air-dropped
Single sourceOperational; when launched as a part of the GLSDB
Single sourceAll SDB I variants over 60 nmi (69 mi; 111 km) when air-dropped, 150 km (93 mi; 81 nmi) when launched as a part of the GLSDB ,[source]
Filling weight
Single source100 kg[source]
AFX 1209 MBX ("multiphase blast explosive"), composite case Laser SDB (GBU-39B/B)
Single sourceAFX 757 enhanced blast insensitive explosive, penetrating steel case
Single sourceAll SDB I variants total SDB I (GBU-39/B)
Single sourceExplosive fill AFX 757 Insensitive munition certified PBX Penetration: greater than 3 ft (0.91 m) of steel reinforced concrete SDB FLM (GBU-39A/B)
Single sourceAll SDB I variants 206 lb (93 kg) total SDB I (GBU-39/B) Explosive fill: 36 lb (16 kg) AFX 757 Insensitive munition certified PBX Penetration: greater than 3 ft (0.91 m) of steel reinforced concrete SDB FLM (GBU-39A/B) 137 lb (62 kg) AFX 1209 MBX ("multiphase blast explosive"), composite case Laser SDB (GBU-39B/B) 36 lb (16 kg) AFX 757 enhanced blast insensitive explosive, penetrating steel case[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Filling | High explosive[source] | — |
|---|
| Detonation mechanism | Impact fuse[source] | — |
|---|
| Manufacturer | Soviet Union[source] | Boeing Integrated Defense Systems[source] |
|---|
| In service | — | 2006–present[source] |
|---|
| Used by | — | United States Israel Italy Netherlands Ukraine Saudi Arabia Australia[source] |
|---|
| Wars | — | War in Afghanistan , Iraq War , Military intervention against ISIL , Syrian Civil War , Russian invasion of Ukraine , Gaza war[source] |
|---|
| Unit cost | — | US$40,000 (SDB I, FY 2021)[source] |
|---|
| No. built | — | 17,000+[source] |
|---|
| Warhead | — | SDB I (GBU-39/B) penetrating blast fragmentation, penetrating steel nosecone SDB FLM (GBU-39A/B) blast ultra-low fragmentation Laser SDB (GBU-39B/B) penetrating blast fragmentation, w/o steel nosecone[source] |
|---|
| Guidance system | — | SDB I (GBU-39/B) SDB FLM (GBU-39A/B) GPS / INS Laser SDB (GBU-39B/B) GPS / INS with terminal semi-active laser guidance[source] |
|---|
| Accuracy | — | SDB I (GBU-39) 3 ft (1 m) CEP[source] |
|---|
| Reported operators | — |
|
|---|