What project E10 buys
Supports enhancements, upgrades and continued testing of the Army Modernization Priorities in support of the Sentinel Radar programs and will provide for an incrementally fielded Integrated Air and Missile Defense Fire Control System/capability for the composite Army Air and Missile Defense Brigades. The Sentinel systems are a key component of the Army Integrated Air and Missile Defense (AIAMD) architecture, providing critical air surveillance of the forward areas. The Sentinel A4 utilizes Active Electronically Scanned Array (AESA) technology that is a ground-based sensor system designed to locate, identify and track Cruise Missiles, Fixed-Wing and Rotary-Wing Aircraft, Unmanned Aircraft Systems and Rocket, Artillery, and Mortar (RAM) projectiles. The simultaneous multi-mission Sentinel A4 system will provide 360-degree surveillance and tracking with the ability to handle simultaneous threats arriving from different azimuths. The Sentinel A3 consists of a trailer mounted radar with its prime mover, generator, identification Friend or Foe (IFF) system and Forward Area Air Defense Command, Control and Intelligence (FAAD C2I) systems interface. The Sentinel A3 provides persistent surveillance and fire control quality data on Army and Joint networks through external C2 platforms enabling protection of U.S. and coalition forces as well as critical geo-political assets against Cruise Missiles (CM), Fixed-Wing, Rotary-Wing Aircraft and Unmanned Aircraft System (UAS) threats.
- Management Services
- Product Development
- Test and Evaluation
Project E10 funding, FY2025–FY2031
Prior years are actuals, the budget year is the request, and the outyears are the FYDP plan. Estimate types are colored and never summed into one figure. Projects carry the full five-year plan; the activities inside them stop at the budget year.
| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 26.2 |
| FY2026 | Enacted | 18.9 |
| FY2027 | Request | 33.2 |
| FY2028 | Outyear | 150.8 |
| FY2029 | Outyear | 28.3 |
| FY2030 | Outyear | 28.3 |
| FY2031 | Outyear | 28.6 |
3 accomplishments / planned programs
The R-2A exhibit — the only level of the budget that describes work that has not happened yet. Activities carry the prior, current and budget year only, no five-year plan. Each describe FY2027 work in enough detail to have their own page; the rest are shown here in full. Coverage is partial across the corpus, so count activities, never total them.
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…
Read the FY2027 plan →Sentinel A4: Funding will support further developmental and operational testing of the Sentinel A4 program against evolving theater specific threats. Will allow for continued software qualification and hardware testing, as well as field testing against representative targets. Sentinel A3: Funding supports required documentation for…
Read the FY2027 plan →- 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 - Continue to develop software following the combined practices of Continuous…
Read the FY2027 plan →Named performers on project E10
Performers named in the R-3 exhibit under this project. Share is of the project's whole FY2027 R-3 total — the same denominator the program-element split uses, so the two read on one scale and will not sum to 100% when unnamed or government work is in the mix. Budget-justification contract funding, not obligations.