RDT&E Project · President's Budget PB2027

Space Based SDA

Project 65A006·PE 1206425SF — Space Situation Awareness Systems·U.S. Space Force·BA5
FY2027 Request
$148.8M
◆ Restart — nothing in FY2026
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Project 65A006 — Space Based SDA requests $148.8M in FY2027, 11% of the $1.32B requested for program element 1206425SF — a restart: funded in FY2025, zeroed in FY2026, funded again now. 1 R-2A activity decomposes the request, 1 restarted this cycle.

Restart

This project was funded in FY2025 ($169.1M), zeroed in FY2026, and requests $148.8M again in FY2027. A restart has an incumbent and a new start does not; with a zero current year there is no percentage to quote, which is why it appears in no growth ranking.

FY2027 Request
$148.8M
No FY2026 funding
FY2026 Enacted
$0.0M
▼ 100% vs FY2025
FY2025 Actual
$169.1M
Prior year
Project detail

What project 65A006 buys

Space Domain Awareness (SDA) is one of five core competencies of the Space Force and is the effective identification, characterization, and understanding of any factor, passive or active, associated with the space domain that could affect space operations and thereby impact the security, safety, economy, or environment of our nation. As the foundation for space control, SDA encompasses surveillance of all space objects and activities; detailed surveillance of specific space assets; monitoring space environmental conditions; monitoring cooperative space assets; gathering indications and warning on adversary space operations; and conducting integrated command, control, communications, processing, analysis, dissemination, and archiving activities. This programs falls within the Space Domain Awareness (SDA) mission area which provides the space-based architecture required to detect, track, catalogue, and identify objects and activities in the space domain. As the foundation for space control, SDA encompasses surveillance of all space objects and activities; detailed surveillance of specific space assets; monitoring space environmental conditions; monitoring cooperative space assets; gathering indications and warning on adversary space operations; and conducting integrated command, control, communications, processing, analysis, dissemination, and archiving activities. Program interdependencies include: SC&C Software Pilot Program (1208248SF); Space Defense Interface Network (1203904SF); Space Situational Awareness Operations (1203940SF); Space Situational Awareness Systems (1206425SF)”Space Based SDA will develop and deliver capabilities and prototypes to provide space object surveillance and reconnaissance from space. The United States Space Force (USSF) and National Reconnaissance Office (NRO) have partnered on the Space Based SDA program to meet overlapping requirements through the SILENTBARKER program. The program is also developing prototypes to deliver additional space surveillance capabilities to meet emerging threats. Space Based SDA enables timely detection and custody of on-orbit threats to protect U.S. High Value Assets in support of the National Defense Strategy. Space Based SDA requirements are based on both the Statement of Capabilities and the current 2022 SDA Initial Capabilities Document, which is focused on protecting High Value Assets.

R-3 lines of work
  • Product Development
  • Management Services
Funding trajectory

Project 65A006 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.

501001500169.1FY25ACTUAL0.0FY26ENACTED148.8FY27REQUEST43.5FY2830.1FY2930.7FY3031.3FY31
Actual Enacted Request Outyear (FYDP)
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual169.1
FY2026Enacted0.0
FY2027Request148.8
FY2028Outyear43.5
FY2029Outyear30.1
FY2030Outyear30.7
FY2031Outyear31.3
Inside the project

1 accomplishment / planned program

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 describes FY2027 work in enough detail to have its own page; the rest are shown here in full. Coverage is partial across the corpus, so count activities, never total them.

FY2025 actual$169.1M
FY2026 enacted$0.0M
FY2027 request$148.8M

Key planned efforts include: SILENTBARKER-B: Continue development for the next increment of GEO-based SDA capabilities. Continue studies and development for future USSF SDA GEO space-based SDA capabilities leveraging commercial/DoW product lines. Support on-going mission data processing and dissemination efforts across SILENTBARKER and…

Read the FY2027 plan →