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Fiscal Receipts

Joint Simulation Environment (JSE)

Air ForceRDT&EReconciledPE0207606F
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What it is
Joint Simulation Environment (JSE) (0207606F) is an Air Force research & development line funded in the Research, Development, Test and Evaluation, Air Force account. Its J-book detail breaks the line into 1 project.
What changed
+$111.2M FY25→26 R-1 TOA · PB2026
Who gets it
AECHELON TECHNOLOGY leads 3 contractor families sharing $59.5M in high-confidence matched awards.

Budget figures

FY24 Actuals
$0J-book detail · PB2026
FY25 Total
$149.5MR-1 TOA · PB2026
FY26 Request
$260.7MR-1 TOA · PB2026
FY25→26 Change
+$111.2MR-1 TOA · PB2026
Data coverage

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

The program's 3 summary figures for FY24 to FY26, plotted in fiscal-year order: this line ends higher than it starts. The points are the summary cards above, not a separate derivation; the table beside the chart carries each figure with its own citation.
The program's 3 summary figures for FY24 to FY26, plotted in fiscal-year order: this line ends higher than it starts. The points are the summary cards above, not a separate derivation; the table beside the chart carries each figure with its own citation.FY24: $0FY25: $149.5MFY26: $260.7MFY24FY25FY26
Budget trajectory: one row per fiscal year, carrying the summary figure the sparkline plots. Every figure opens its own citation.
Fiscal yearAmount
FY24$0J-book detail · PB2026
FY25$149.5MR-1 TOA · PB2026
FY26$260.7MR-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

2 fiscal years of this program as published (FY2025–FY2026): a line through the actuals (filled dots), with the enacted (hollow circles) and request (diamonds) markers each edition reported. Read it for direction, not for precision — this program's actuals line is too short to show a direction. The grid below is the same data as text, one cited figure per cell.
2 fiscal years of this program as published (FY2025–FY2026): a line through the actuals (filled dots), with the enacted (hollow circles) and request (diamonds) markers each edition reported. Read it for direction, not for precision — this program's actuals line is too short to show a direction. The grid below is the same data as text, one cited figure per cell.FY2025 enacted — PB2026 editionFY2025 request — PB2025 editionFY2026 request — PB2026 editionFY25FY26

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.

Decade series values by fiscal year and President's Budget edition: one row per series (actuals, enacted, request), one column per fiscal year. Every figure opens its own citation.
SeriesFY25FY26
Enacted$149.5M
Request$191.3M$260.7M

blank = series not published for this year; – = absent from that edition.

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

Mission — Joint Simulation Environment

Joint Simulation Environment (JSE) is the Air Force's synthetic solution for High-End Advanced Training, Tactics, and Testing (HEAT3). JSE supports operational plan rehearsals, large force exercises, and aircrew training events. This capability directly supports United States Air Force Warfare Center (USAFWC), United States Air Force Weapons School, Air Force Test Center (AFTC), Air Force Operational Test and Evaluation Center (AFOTEC), and augments platform training efforts that cannot be performed in open air. JSE encompasses, but is not limited to, lab facilities for development and experimentation, as well as multiple test and training locations, to include, but not limited to: Joint Integrated Test & Training Center Nellis AFB (JITTC-N), Digital Test & Training Range Nellis AFB (DTTR-N), Digital Test & Training Range Edwards AFB (DTTR-E), and future planned location JITTC-Joint Base Elmendorf-Richardson (JITTC-E). JSE Platform-In-A-Box (PIAB) Operational Flight Program (OFP) Based Simulator Development: Entails the study, evaluation, early experimentation, and development for platforms beyond the current/existing F-35 capability. Activities include analysis of OFPs against JSE software and interface standards, as well as common hardware standards enabling remote monitoring, updates, and security management. JSE Digital Test and Training Ranges (DTTR): Maintains and upgrades existing test capabilities, to include the continuation of installation, integration, and verification/validation activities in support of fielded and future platforms and virtual air threats. Furthermore, the 445 Test Squadron at DTTR-E manages Developmental Test (DT) and Operational Test (OT) events, as well as cyber testing integration for the JSE Enterprise as part of their Lead Developmental Test Organization (LDTO) designation. JSE Core Environment Development/Integration: Continues to develop JSE foundational capabilities enabling further test, integration, and training. Activities include but are not limited to experimentation, development/enhancement of JSE connected systems, tools, services, hardware, and simulators to integrate new and existing digital entities (platforms, sensors, adversary & friendly weapons, ground & airborne threats), and common services including but not limited to weather effects, infrared (IR) models, cyber, and space. Funding may also be used to address Diminishing Manufacturing Sources (DMS) issues, obsolescence resolution and similar emerging requirements, as well as for overarching programmatic support. Funding for this exhibit is contained in PE 0207606F. This requirement supports performance of a full financial audit as required by title 10 U.S.C. Chapter 9A, Sec 240-D. This program element may include necessary civilian pay expenses required to manage, execute, and deliver weapon system capability. The use of such program funds would be in addition to the civilian pay expenses budgeted in program element 0605829F, 0605831F, 0605833F, 0605898F. As this PE was established in FY 2025, FY 2024 civilian pay costs are not applicable, and in FY25 10.395M is forecasted for civilian pay expenses in this program element. This effort is in Budget Activity 4, Advanced Component Development and Prototypes (ACD&P), because efforts are necessary to evaluate integrated technologies, representative modes or prototype systems in a high fidelity and realistic operating environment.

Justification

Accomplishments & Planned Programs (3)

JSE Platform In-A-Box (PIAB) and Pilot Vehicle Interface (PIV) Hardware Simulator Development

Includes, but is not limited to, platform study, evaluation, and early experimentation activities to assess OFPs against JSE Government Simulator Interface (GSI) and Simulator Common Architecture, Requirements, & Standards (SCARS), and develop high-fidelity Platform OFP-based simulator and accompanying high-fidelity mission system and sensor models. Involves the evaluation and integration of new and emerging technologies including, but not limited to, Extended Reality (XR)/Virtual Reality (VR) goggle capability, artificial intelligence (AI), and common hardware solutions, to include common cockpit configurations for training-focused sites. Supports research and development activities to generate data/conduct analysis to support the integration and testing of platform OFP-based simulators.

JSE Digital Test and Training Ranges (DTTRs)

Maintains and expands existing test capabilities, to include platform installation, integration, and verification and validation activities at the DTTRs and the Joint Integrated Test and Training Centers (JITTCs). Supports ongoing day-to-day digital test range operations, JSE organic development capability, along with fielded and future Developmental Test & Evaluation (DT&E) and Operational Test & Evaluation (OT&E) activities. Establishes and expands on hardware in-the-loop testing capability, future platform testing capability, and continues early experimentation efforts.

JSE Core Environment Development/Integration

Continue the development of JSE capabilities enabling further test, integration, and training. Development activities are accomplished by leveraging Department of the Air Force (DAF) and Department of the Navy (DoN) organic software development capabilities at geographically separated locations using secure development enclaves across multiple classification levels enabling simultaneous developer access, known collectively as the JSE collaborative development environment. JSE collaborative development environment provides the foundation for secure digital collaboration, to perform development, security, and operations (DevSecOps) activities, manage development, share code, evaluate new capabilities, and distribute updated software versions to all connected locations. Costs include, but are not limited to, establishing equipment, personnel, processes, contracts, etc. to support JSE product development.

Budget line items(workbook-cited)

P-1/R-1 workbook Total Obligation Authority basis (USD thousands) · PB2026.

Exhibit R-1

AccountOrgTypeAmount
Research, Development, Test and Evaluation, Air ForceFFY25 Enacted$149.5M
Research, Development, Test and Evaluation, Air ForceFFY25 Total$149.5M
Research, Development, Test and Evaluation, Air ForceFFY26 Disc. Request$260.7M
Research, Development, Test and Evaluation, Air ForceFFY26 Total$260.7M

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.

ProjectAll Prior YearsFY24 ActualsFY25 TotalFY26 BaseFY26 Request
Program Element$0$0$149.5M$260.7M$260.7M
642407: Joint Simulation Environment$0$0$149.5M$260.7M$260.7M

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 program's money traced left to right: the F appropriation, program element 0207606F (Joint Simulation Environment (JSE)), its 4 largest high-confidence awards, the 3 recipient families behind them, and the 2 congressional districts the work is recorded in. Read it for concentration — how few families and districts the awards run through. Amounts inside the diagram are illustrative per-award transaction sums; the table below carries the cited per-district obligations.
The program's money traced left to right: the F appropriation, program element 0207606F (Joint Simulation Environment (JSE)), its 4 largest high-confidence awards, the 3 recipient families behind them, and the 2 congressional districts the work is recorded in. Read it for concentration — how few families and districts the awards run through. Amounts inside the diagram are illustrative per-award transaction sums; the table below carries the cited per-district obligations.APPROPRIATIONPROGRAM ELEMENTTOP AWARDSRECIPIENT FAMILIESDISTRICTSFRDT&E appropriation0207606F260.7M FY26FA930221C0011AECHELON TECHNOLOGY INC20.3MFA930221C0013ROCKWELL COLLINS SIMULATION…19.7MFA930222C0019LOCKHEED MARTIN CORPORATION17.1MFA930221C0011AECHELON TECHNOLOGY INC3.73MAECHELON TECHNOLOGY INCRTX CorporationLockheed Martin CorpCA-20CA-11

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.

The diagram as text: one row per congressional district in the diagram, the recipient families shown there, and that district's cited program obligations.
DistrictProgram obligations
CA-20$39.2M
CA-11$20.3M

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? →

RecipientPIIDConfidence
AECHELON TECHNOLOGY INCFA930221C0011high
LOCKHEED MARTIN CORPORATIONFA930222C0019high
ROCKWELL COLLINS SIMULATION & TRAINING SOLUTIONS LLCFA930221C0013high

Contractor concentration

HHI Indexⓘ
3400
Highly Concentrated
2023 Merger Guidelines bands
Top Contractor
AECHELON TECHNOLOGY
Contractor Families
3
Program Obligationsⓘ
$59.5M

High-confidence award links only, pooled across ingested years. The index uses positive obligations; program obligations are net of deobligations. The figures over every published link, including medium-confidence ones, are in the downloadable warehouse, not on this page — why.

Lobbying mentions

2 mentions from the Senate LDA disclosure database.

SCIENCE APPLICATIONS INTERNATIONAL CORPORATIONSimulation|Environment2026matched 2+ title words

S.2296 - National Defense Authorization Act for Fiscal Year 2026 H.R. 3838, the Streamlining Procurement for Effective…

SCIENCE APPLICATIONS INTERNATIONAL CORPORATIONSimulation|Environment2026matched 2+ title words

National Defense Authorization Act for Fiscal Year 2027 JADC2 Cybersecurity. Cloud Acquisition policy/funding; DoD…

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 Joint Simulation Environment (JSE). 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

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.