Printed from https://fiscalreceipts.com/program/SDB000/ — built September 26, 2026. Every figure is citation-backed; see the page online for per-number provenance.
Small Diameter Bomb
Watch this program
Budget figures
FY2026 award data is a partial year — USAspending reports awards on a rolling basis, and this corpus runs through 2026-09-04. why partial FY2026 data? →
Budget trajectory
| Fiscal year | Amount |
|---|---|
| FY24 | $56.2M |
| FY25 | $42.3M |
| FY26 | $41.5M |
All series figures: P-1 TOA · PB2026
Decade view
P-1/R-1 workbook TOA basis, shown compact in $B/$M (the workbook records USD thousands); each figure cites its own President's Budget edition
The vertical scale does not start at zero: the baseline sits just below this program’s smallest year, so a low point on this line is not a small amount. Read the shape for direction and the grid below for the figures.
● actuals (line) · ○ enacted · ◇ request — gaps are editions the program is absent from, never interpolated.
| Series | FY22 | FY23 | FY24 | FY25 | FY26 |
|---|---|---|---|---|---|
| Actuals | $65.2M | $52.7M | $56.2M | ||
| Enacted | – | $46.5M | $48.7M | $42.3M | |
| Request | – | – | $48.7M | $42.3M | $41.5M |
blank = series not published for this year; – = absent from that edition.
Asked vs spent: the PB2024 book requested $48.7M for FY2024; the PB2026 book reported $56.2M as actual total obligation authority — $7.44M above the request. 56.17 − 48.73 = 7.44 USD millions — the compact figures above are rounded for reading.
Program lineage
No predecessor/successor lineage was recorded for this program element — no FY-to-FY transfer into or out of this line was stated in the ingested J-books, and none was inferred from the program structure.
Description
Description — Small Diameter Bomb
GBU-39/B: Small Diameter Bomb Increment I (SDB I) is an Air Force ACAT II program providing increased kills per sortie on current and future aircraft platforms. SDB I addresses the following specific warfighter requirements: multiple kills per pass; multiple ordnance carriage (BRU-61); adverse weather; precision munitions capability; capability against fixed and stationary targets; reduced munitions footprint; increased weapons effectiveness; minimized potential for collateral damage; reduced susceptibility of munitions to countermeasures; and standoff or Close Air Support (CAS) operational capability. Threshold aircraft is the F-15E. Objective aircraft include: F-22A, F-16C/D Block 30/40/50, F-35A, B-1, A-10, B-52, B-21, MQ-9, and AC-130W/J. Integrated platforms include: F-15E, F-22A, AC-130W/J, F-16C/D Block 30/40/50, and F-35A. SDB I completed IOT&E in Jun 2006 and commenced Full Rate Production (FRP) in Dec 2006. GBU-39A/B: Small Diameter Bomb I Focused Lethality Munition (FLM) is a low collateral damage variant of SDB I. FLM has a carbon fiber warhead case which disintegrates upon fill detonation, minimizing fragmentation effects to personnel and property. GBU-39B/B: Laser SDB is a laser variant of the baseline SDB I. Laser SDB is a 250-pound class, air-launched weapon with deployable wings to achieve standoff range, has a laser seeker to self-target and a GPS-only mode, and has a Height-Of-Burst (HOB) fuze to provide selectable weapons effects. BRU-61: The BRU is a four-place weapon carriage system used on aircraft for releasing GBU-39 weapons. It features a pneumatic ejector system and communicates with the aircraft and attached weapons through MIL-STD-1760 and JMMI interfaces, respectively. The two variants, BRU-61/A and BRU-61B/A, differ in their power supply and voltage handling. BRU-61/A uses 115 VAC aircraft power and converts it to 28 VDC for weapons. BRU-61B/A accepts either 115 VAC or 270 VDC aircraft power, converting it to either 28 or 32 VDC for weapons. SDB I weapons and weapon containers are procured together as a system. Individual containers can be procured separately as requirements dictate. SDB I procurement supports current combat operations and replenishment of SDB I weapons and its variants used in these operations. It leverages common component development, in collaboration with other weapon systems, to reduce redundant costs between systems with similar subsystems requirements. Invests in analytical, information management, data management, digital environments, networks, facilities, and security infrastructure upgrades directly supporting development and sustainment of this program's capabilities, while leveraging DoD and DAF enterprise IT solutions. For example, the integration of a qualified Strategic Anti-Jam Beam-forming Receiver (SABR-Y) and M-Code capable GPS receivers. Funding may also be used to resolve performance deficiencies identified in the system. Funding may be used to address Diminishing Manufacturing Sources (DMS) issues. This will be accomplished through studies, bridge buys, life of type buys, supplier/parts replacement, and qualification (including flight/ground test activities) to preserve future production capabilities and capacities. GBU-53/B: Small Diameter Bomb Increment II (SDB II) quantities and obligation authority were included in SDB000 for FY2018 and earlier. Reference BP20 SDB002 for SDB II FY19 and out. Procurements for the execution year may vary due to changes in inventory objectives. Combatant commanders' requirements for Operational Plans influence these objectives, which are updated throughout the year. Funding for this exhibit is contained in PE 0207330F. Funding was contained in PE 0207327F for FY22 and prior.
Justification
Justification — Small Diameter Bomb
FY 2026 funds procure SDB Increment I weapons/BRU-61, Operational Flight Program updates and test, obsolescence contracts, integration efforts to support Block 21 OFP, Block 24 OFP, SABR-Y, and SMC-2, PSC Contractor Services: Engineering, Professional, and Administrative Support Services (EPASS) contract support, and PSC Other Government Costs: travel, Government Purchase Card (GPC), and other operational costs. Procurement quantities will be combined with expected FMS buys to meet minimum order quantity requirement. Procurement quantities can change based on negotiated options/pricing bands and available funding, in accordance with Title 10, U.S Code Section 2308 BUY-TO-BUDGET ACQUISITION. This program leverages Digital acquisition tenets of open, agile, and digital. Invests in analytical, information management, data management, digital environments, networks, facilities, and security infrastructure upgrades directly supporting development and sustainment of this program's capabilities, while leveraging DoD and DAF enterprise IT solutions. Funds may be used to address production Diminishing Manufacturing Sources (DMS)/Material Shortages/Obsolescence issues through studies, bridge buys, life of type buys, supplier/parts replacement, to include electronic components used commercially and in short supply, and qualification activities to preserve future production capabilities and capacities. These funds may also procure inventoried items which may not be procured on an annual basis and could be required on an emerging basis. Variations to cover critical shortfalls to inventory objectives as well as actual and planned expenditures will be addressed during execution year.
Budget line items(workbook-cited)
P-1/R-1 workbook Total Obligation Authority basis (USD thousands) · PB2026.
Exhibit P-1
| Account | Org | Type | Amount |
|---|---|---|---|
| Missile Procurement, Air Force | F | FY24 Actuals | $56.2M |
| Missile Procurement, Air Force | F | FY25 Enacted | $42.3M |
| Missile Procurement, Air Force | F | FY26 Disc. Request | $41.5M |
| Missile Procurement, Air Force | F | FY26 Total | $41.5M |
Budget Details(R-2/P-40 facts)
J-book detail basis (R-2/P-40, USD millions) · PB2026 — a different accounting basis from the P-1/R-1 workbook TOA above; where the two disagree, the reconciliation strip under Budget figures shows both.
Wider than this screen — swipe the table sideways for the remaining fiscal-year columns.
| Project | All Prior Years | FY24 Actuals | FY25 Total | FY26 Base | FY26 Request |
|---|---|---|---|---|---|
| Program Element | $2.20B | $56.2M | $42.3M | $41.5M | $41.5M |
Follow the dollar
Appropriation → program element → top high-confidence awards → recipient families → congressional districts.
Follow-the-dollar covers 312 of 1,938 programs — only high-confidence budget→award links are shown. why coverage is partial? →
The diagram illustrates the cited table below — amounts shown in the diagram are transaction sums per award (no citation chips); the per-district obligations in the table cite USAspending queries.
| District | Program obligations |
|---|---|
| MO-01 | $9.26M |
Related awards
Award linkage is shown for 32 of 200 profiled companies — high- and medium-confidence USAspending matches, each row labeled; medium is the weaker evidence. why partial award coverage? →
| Recipient | PIID | Confidence |
|---|---|---|
| THE BOEING COMPANY | FA821324DB006 | high |
| THE BOEING COMPANY | FA867216D0010 | high |
| THE BOEING COMPANY | FA867218C0014 | high |
| THE BOEING COMPANY | FA867220D0001 | high |
Contractor concentration
No concentration index is published for this line. This line's high-confidence links do not clear the floor for a published concentration index — at least 3 awards across 2 contractor families holding positive obligations, with positive net linked dollars. An index below that floor is a fact about the sample, not about the market. Whatever further links this line carries are medium-confidence, and what each medium evidence path does and does not establish is set out in the methodology. Both bases are in the downloadable warehouse.
Lobbying mentions
No Senate LDA lobbying filing in the tracked data mentions this program element by code or alias.
Oversight
Department-level designation (not specific to this program)
GAO lists 5 high-risk areas for DOD as a whole. That designation covers the department, not Small Diameter Bomb. No program-specific GAO finding for this line is in the ingested data. See the DOD oversight record.
Program dossier
No research dossier for this program — dossiers cover 50 of 1,938 programs, the largest fully J-book-detailed lines by FY2026 requested dollars. why no dossier here? →
Primary sources
Open any budget figure for its exact receipt. Verified line items lead with the highlighted government PDF; original spreadsheets download with their budget edition and exhibit in the filename.
Budget totals · TOA sources
FY2026 Department of Defense Budget: Procurement Programs (P-1) · comptroller.war.gov
Exhibit P-1 · O970
Complete workbook · unchanged saved copy. Saves as PB2026_DoD_P-1_Procurement.xlsx.
FY2024 Department of Defense Budget: Procurement Programs (P-1) · comptroller.war.gov
Exhibit P-1 · O933
Complete workbook · unchanged saved copy. Saves as PB2024_DoD_P-1_Procurement.xlsx.
FY2025 Department of Defense Budget: Procurement Programs (P-1) · comptroller.war.gov
Exhibit P-1 · O987
Complete workbook · unchanged saved copy. Saves as PB2025_DoD_P-1_Procurement.xlsx.
Detailed budget justification
The related TOA spreadsheets above use a different accounting basis from R-2/P-40 detail. Their amounts are not assumed to match these detailed sources.
FY2026 Air Force Missile Procurement · www.saffm.hq.af.mil
PDF page 171