Municiones

GBU-39/B Small Diameter Bomb I

Also known as
  • GBU-39
  • GBU-39/B
  • SDB
  • SDB I
  • Small Diameter Bomb I
  • Small Diameter Bomb

La GBU-39/B Small Diameter Bomb I es una bomba planeadora estadounidense de 250 lb guiada por GPS/INS para ataques de precisión a distancia desde aeronaves que pueden transportar múltiples armas por soporte. Fuentes de Boeing y de la Fuerza Aérea vinculan la SDB I con vías de integración en F-15E, F-16, F-22, F-35A, AC-130, bombarderos y posteriormente MQ-9, mientras que informes directos de conflicto documentan su uso en combate en Irak, Afganistán, Operation Inherent Resolve, Ucrania y Gaza.

GBU-39/B Small Diameter Bomb I, Bomba planeadora de 250 lb guiada por GPS/INS, Municiones
Image source: 201128-Z-OK775-012

Role in Conflicts

Design Notes

La GBU-39 fue construida para dar a las aeronaves tácticas más disparos de precisión por salida sin renunciar al alcance a distancia.

Tamaño compacto

Fuentes oficiales describen una bomba planeadora de clase 250 lb guiada por GPS/INS.

Densidad de carga

Air & Space Forces informa que un soporte BRU-61/A puede llevar cuatro GBU-39.

Compatibilidad de portadores

Material de adquisiciones de la Fuerza Aérea enumera cazas, gunships y aeronaves objetivo planificadas integrados, mientras que AFSOC documenta el transporte en MQ-9 mediante el sistema BRU-78.

Profile / Specs

Profile

Origin
Estados Unidos
Built by
Boeing
Type
Bomba planeadora de 250 lb guiada por GPS/INS
Service note
2006-presente
Designer
Boeing Integrated Defense Systems
Designed
2001-2003
Unit cost
Alrededor de 40.000 dólares
Produced
2005-present
Number built
No declarado públicamente

Specifications

Peso
268 lb (122 kg)
Longitud
70,8 in (1,8 m)
Alcance
Más de 60 millas náuticas en material de producto de Boeing; la ficha técnica de la Fuerza Aérea indica más de 40 millas náuticas
Guiado
Navegación inercial asistida por GPS, con GPS antinterferencias y SAASM
Ojiva
Penetrante de fragmentación por explosión de clase 250 lb
Transporte
El soporte BRU-61/A lleva cuatro armas SDB I por punto de carga 1760; la integración en MQ-9 usa el BRU-78 Dual Carriage System
Blancos
Blancos fijos o estacionarios, como depósitos de combustible y búnkeres
Variants

Las fuentes públicas usan SDB I y GBU-39/B para la familia original Small Diameter Bomb guiada por GPS/INS; las designaciones relacionadas distinguen cambios de ojiva o guiado, en lugar de una página separada para cada configuración.

VariantConfigurationDesignation notes
GBU-39A/BMunición de letalidad focalizada

Material de adquisiciones de la Fuerza Aérea enumera la GBU-39A/B como la configuración Focused Lethality Munition dentro de la familia SDB I.

Sources: FY22 DAF Missile Procurement Justification Book

GBU-39B/BLaser SDB

Material de adquisiciones de la Fuerza Aérea identifica la GBU-39B/B como la configuración Laser SDB.

Sources: FY22 DAF Missile Procurement Justification Book

Aeronaves portadoras

Fuentes oficiales de la Fuerza Aérea y Boeing documentan la bomba en cazas, gunships, aeronaves furtivas e integración en MQ-9; estos son los ejemplos públicos más específicos.

CarrierCarrier typeCarriage evidence
F-15 family fighter aircraft, Fighter aircraft family, Aircraft & UAVsF-15 family fighter aircraftCaza de ataque

El inventario de armas del Advanced F-15 de Boeing enumera la GBU-39 Small Diameter Bomb entre las opciones de carga externa de la aeronave.

Sources: Advanced F-15 Weapons Inventory

F-15E Strike Eagle, Dual-role strike fighter, Aircraft & UAVsF-15E Strike EagleCaza de ataque

La Fuerza Aérea dijo que tripulaciones de F-15E Strike Eagle usaron por primera vez la GBU-39 en combate sobre Irak en octubre de 2006.

Sources: USAFE unit debuts small diameter bomb in combat

F-22 Raptor, Fifth-generation stealth air-superiority fighter, Aircraft & UAVsF-22 RaptorCaza furtivo

Material de adquisiciones de la Fuerza Aérea enumera el F-22A entre las plataformas integradas con SDB I.

Sources: FY22 DAF Missile Procurement Justification Book

F-16 Fighting Falcon, Multirole fighter aircraft, Aircraft & UAVsF-16 Fighting FalconCaza polivalente

Material de adquisiciones de la Fuerza Aérea enumera aeronaves F-16C/D Block 30/40/50 entre las plataformas integradas con SDB I.

Sources: FY22 DAF Missile Procurement Justification Book

F-35A Lightning II, Conventional takeoff and landing stealth multirole fighter, Aircraft & UAVsF-35A Lightning IICaza de ataque

Material de adquisiciones de la Fuerza Aérea enumera el F-35A entre las plataformas integradas con SDB I.

Sources: FY22 DAF Missile Procurement Justification Book

AC-130 gunship, Heavily armed fixed-wing gunship, Aircraft & UAVsAC-130 gunshipGunship

Fuentes de la Fuerza Aérea enumeran la integración AC-130W/J, y AFSOC dice que el AC-130 puede llevar hasta ocho bombas GBU-39B en estaciones montadas en las alas.

Sources: FY22 DAF Missile Procurement Justification Book, AFSOC GBU-39B MQ-9 Service Entry

MQ-9 Reaper, Medium-altitude long-endurance unmanned combat aerial vehicle, Aircraft & UAVsMQ-9 ReaperVehículo aéreo de combate no tripulado

DVIDS documentó la carga de GBU-39 en un MQ-9 Reaper, y AFSOC dijo que el 27th Special Operations Wing incorporó la GBU-39B a operaciones de MQ-9 mediante el BRU-78 Dual Carriage System en la primavera de 2026.

Sources: DVIDS MQ-9 GBU-39 loading video, AFSOC GBU-39B MQ-9 Service Entry

Aeronaves compatibles
Compatible itemItem typeCompatibility evidence
B-2 Spirit, Low-observable strategic heavy bomber, Aircraft & UAVsB-2 SpiritPlataforma futura

La Fuerza Aérea dijo que el B-2 Spirit estaba entre las plataformas futuras para la GBU-39/B Small Diameter Bomb.

Sources: ACC declares small diameter bomb initially operational

Timeline

GBU-39/B Small Diameter Bomb I Key Events

  1. Comienza el trabajo de desarrollo

    Air & Space Forces informa que el esfuerzo Small Diameter Bomb comenzó como una respuesta de Air Combat Command a la necesidad de un arma de precisión más pequeña con menor daño colateral.

    Sources: GBU-39 Small Diameter Bomb I

  2. Primer vuelo

    El mismo informe dice que Boeing fue seleccionada para desarrollar y producir el arma en 2003 y que la bomba voló por primera vez el 23 de mayo de 2003.

    Sources: GBU-39 Small Diameter Bomb I

  3. Producción inicial a baja tasa

    Air & Space Forces informa que la producción inicial a baja tasa comenzó en 2005.

    Sources: GBU-39 Small Diameter Bomb I

  4. Air Combat Command declara la IOC

    La ficha técnica de la Fuerza Aérea dice que Air Combat Command declaró la capacidad operacional inicial de la GBU-39/B el 2 de octubre de 2006.

    Sources: GBU-39B Small Diameter Bomb Weapon System

  5. Primer uso en combate

    La Fuerza Aérea dijo que F-15E Strike Eagles usaron por primera vez la GBU-39 en combate sobre Irak el 5 de octubre de 2006.

    Sources: USAFE unit debuts small diameter bomb in combat

  6. Ataque en Afganistán informado

    Un resumen de poder aéreo de la Fuerza Aérea dijo que F-15E Strike Eagles lanzaron GBU-39 Small Diameter Bombs contra posiciones enemigas de armas ligeras cerca de Qurya, Afganistán.

    Sources: Feb. 25 airpower F-16s provide watch

  7. Confirmado el uso ucraniano lanzado desde el aire

    TWZ informó la confirmación estadounidense de que Ucrania estaba usando la GBU-39 Small Diameter Bomb lanzada desde el aire en combate.

    Sources: TWZ Ukraine air-launched GBU-39 report

  8. Evento de carga en MQ-9 documentado

    DVIDS publicó video de dominio público de dos GBU-39 Small Diameter Bombs cargadas en un MQ-9 Reaper con un Dual Carriage System en Creech Air Force Base.

    Sources: DVIDS MQ-9 GBU-39 loading video

  9. AFSOC informa entrada en servicio en MQ-9

    Air Force Special Operations Command informó que MQ-9 Reapers del 27th Special Operations Wing en Cannon habían incorporado el GBU-39B Small Diameter Bomb Weapon System a su arsenal operacional.

    Sources: AFSOC GBU-39B MQ-9 Service Entry

Media

GBU-39/B Small Diameter Bomb I Videos

GBU-39/B Small Diameter Bomb I Images

GBU-39/B Small Diameter Bomb I, Bomba planeadora de 250 lb guiada por GPS/INS, Municiones - view 1
Source: 201128-Z-OK775-025
GBU-39/B Small Diameter Bomb I, Bomba planeadora de 250 lb guiada por GPS/INS, Municiones - view 2
Source: 201128-Z-OK775-008
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Related News

Sources

Small Diameter Bomb Product CardPublisher: Boeing | Note: Supports Boeing's official product background, technical specifications, and the F/A-22, F-35, fighter, and bomber compatibility claims. | Accessed: 2026-07-08GBU-39B Small Diameter Bomb Weapon SystemPublisher: U.S. Air Force | Note: Supports GBU-39/B background, Air Combat Command initial operational capability, unit cost, performance, and public-domain image context for the gallery images. | Accessed: 2026-07-08201128-Z-OK775-012Publisher: U.S. Air Force | Note: Supports public-domain image provenance for the primary gallery image of a GBU-39 at Al Udeid Air Base on Nov. 27, 2020. | Accessed: 2026-07-08201128-Z-OK775-025Publisher: U.S. Air Force | Note: Supports public-domain image provenance for the gallery image of a bomb rack unit with four GBU-39 bombs at Al Udeid Air Base on Nov. 27, 2020. | Accessed: 2026-07-08201128-Z-OK775-008Publisher: U.S. Air Force | Note: Supports public-domain image provenance for the gallery image of four GBU-39 bombs in the munitions storage area at Al Udeid Air Base on Nov. 27, 2020. | Accessed: 2026-07-08ACC declares small diameter bomb initially operationalPublisher: U.S. Air Force | Note: Supports B-2 Spirit among future platforms for the GBU-39/B Small Diameter Bomb. | Accessed: 2026-07-08AFSOC AC-130J Ghostrider Fact SheetPublisher: U.S. Air Force Special Operations Command | Note: Supports AC-130J Ghostrider carriage of the GBU-39/B Small Diameter Bomb I in the aircraft's standoff precision-guided munitions loadout. | Accessed: 2026-07-08Air Force AC-130J Ghostrider Fact SheetPublisher: U.S. Air Force | Note: Supports AC-130J Ghostrider carriage of the GBU-39/B Small Diameter Bomb I in the aircraft's standoff precision-guided munitions loadout. | Accessed: 2026-07-08Advanced F-15 Weapons InventoryPublisher: Boeing | Note: Supports F-15 family carriage of GBU-39 Small Diameter Bomb in Boeing's external carriage matrix. | Accessed: 2026-07-08AP Rafah GBU-39 reportPublisher: Associated Press | Note: Supports direct conflict use in the 2023 Israel-Hamas War; AP reported Israeli forces used likely GBU-39 small-diameter bombs in the May 26, 2024 Rafah airstrike. | Accessed: 2026-07-08AC-130W Stinger IIPublisher: U.S. Air Force | Note: Supports 2014 War Against the Islamic State direct conflict use under Operation Inherent Resolve: Supports direct conflict use in 2014 Operation Inherent Resolve; the U.S. Air Force said AC-130W gunships carried GBU-39 bombs as part of the Precision Strike Package. | Accessed: 2026-07-08GBU-39 Small Diameter Bomb IPublisher: Air & Space Forces Magazine | Note: Supports development timeline, first flight, low-rate initial production, BRU-61/A four-bomb carriage, and fighter/bomber compatibility context. | Accessed: 2026-07-08FY22 DAF Missile Procurement Justification BookPublisher: U.S. Air Force | Note: Supports SDB I platform integration details, GBU-39A/B Focused Lethality Munition, and GBU-39B/B Laser SDB variant descriptions. | Accessed: 2026-07-08USAFE unit debuts small diameter bomb in combatPublisher: U.S. Air Force | Note: Supports direct conflict use in the 2003 Iraq War; the Air Force said F-15E Strike Eagles first used the GBU-39 in combat over Iraq in October 2006. | Accessed: 2026-07-08Feb. 25 airpower F-16s provide watchPublisher: U.S. Air Force | Note: Supports direct conflict use in the 2001 War in Afghanistan; the Air Force said F-15E Strike Eagles dropped GBU-39 Small Diameter Bombs during a February 2007 strike near Qurya, Afghanistan. | Accessed: 2026-07-08TWZ Ukraine air-launched GBU-39 reportPublisher: The War Zone | Note: Supports direct conflict use in the 2014 Russia-Ukraine War; TWZ reported U.S. confirmation that Ukraine used air-launched GBU-39 Small Diameter Bombs in combat. | Accessed: 2026-07-08DVIDS MQ-9 GBU-39 loading videoPublisher: Defense Visual Information Distribution Service | Note: Supports MQ-9 Reaper loading and Dual Carriage System integration context for two GBU-39 Small Diameter Bombs at Creech Air Force Base; DVIDS identifies the work as public domain. | Accessed: 2026-07-08AFSOC GBU-39B MQ-9 Service EntryPublisher: Air Force Special Operations Command | Note: Supports GBU-39B service entry on 27th Special Operations Wing MQ-9 Reapers, BRU-78 carriage, Cannon Air Force Base integration context, and AC-130 carriage capacity. | Accessed: 2026-07-08