What the FY2027 request buys
Verbatim from the R-2A exhibit for project E10 of PE 0604820A. This is the budget justification's own description of work that has not happened yet — the one thing no other level of the budget carries.
Sentinel A4: Continuously integrate and deliver software enhancements to Sentinel A4 to combat evolving threat based on phase two of IOT&E findings. The program will develop and implement new signal processing techniques and waveforms to enhance Electronic Attack and Electronic Protect techniques based on the evolving threat, further enhancing radar survival and effectiveness in contested environments. The program will continue to develop software following the combined practices of Continuous Integration/Continuous Delivery (CI/CD). Sentinel A3: Funding will support continuous software development for emerging and evolving threats. The program will continue technical assessments, as well as threat and performance analysis for Sentinel A3.
Increase in FY 2027 supports the Continuous Improvement/Continuous Development of software to address evolving threats for Sentinel A3 and A4.
FY2025–FY2026: what came before
Prior-year accomplishments and current-year plans from the same exhibit. Context for the FY2027 plan, not a series — an activity partitions its project exactly in the request year, but can under-cover it in earlier years.
FY 2026 funds will support but is not limited to: Sentinel A4: Will continuously integrate and deliver software enhancements to Sentinel A4 to combat the evolving threat based on phase one of IOT&E findings. The program will continue to develop software following the combined practices of Continuous Integration/Continuous Delivery (CI/CD). Sentinel A3: Funding will support continuous software development for emerging and evolving threats. The program will continue technical assessments, as well as threat and performance analysis for Sentinel A3.
Sentinel A4: Will continuously integrate and deliver software enhancements to Sentinel A4 to combat the evolving threat based on developmental testing and any initial IOT&E findings. Sentinel A3: Will continue to perform technical assessments, concept studies, cost reduction, risk reduction, threat analysis, and required documentation.
Three years, and no five-year plan
An R-2A activity publishes the prior year, the current year and the budget year. The FYDP outyears exist at project and program-element level and are deliberately absent here rather than inferred. Estimate types are colored and never summed into one figure.
| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 13.1 |
| FY2026 | Enacted | 9.0 |
| FY2027 | Request | 12.1 |
This activity is 36% of project E10's FY2027 request and 21% of PE 0604820A's. In the request year the activities under a project sum to it exactly; in the current year they under-cover it in about 9% of cases, so an activity's delta can legitimately exceed its parent's and the two must not be compared row to row.
3 activities in project E10
Every R-2A line of this project, largest FY2027 request first. Linked where the activity has enough of its own narrative to carry a page; the rest are shown in full on the project page.