# Project 634868 — Maui Space Surveillance System

**Program element:** 1206616SF — Space Advanced Technology Development/Demo  
**Project:** 634868  
**Component:** U.S. Space Force  
**Appropriation:** 3620F — RDT&E, Space Force  
**Budget Activity:** 3 — Advanced Technology Development  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/1206616SF/634868  
**Parent:** https://hitchintel.com/programs/1206616SF

## Summary

Project 634868 — Maui Space Surveillance System requests $41.1M in FY2027, 33% of the $126.4M requested for program element 1206616SF, down 17% on FY2026. 1 R-2A activity decomposes the request.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 19.5 |
| FY2026 | Enacted | 49.3 |
| FY2027 | Request | 41.1 |
| FY2028 | Outyear | 21.8 |
| FY2029 | Outyear | 21.8 |
| FY2030 | Outyear | 22.1 |
| FY2031 | Outyear | 22.5 |

> Estimate types are not summed. This project is one leaf of PE 1206616SF; the PE total is the sum of its projects, never added to them.

## What project 634868 buys

This program funds ground-based optical space situational awareness technology development and demonstration at the Maui Space Surveillance System (MSSS) in Hawaii, as well as the operation and upgrade of the experimental equipment and facilities. Efforts in this program have been coordinated through the Department of War Science and Technology Executive Committee process to harmonize efforts and eliminate duplication.

## Activities (R-2A) — 1

| Activity | FY2025 | FY2026 | FY2027 | Move | Page |
|---|---|---|---|---|---|
| Operate and Upgrade Maui Space Surveillance System | 19.5 | 31.3 | 41.1 | +31% | [a0](https://hitchintel.com/programs/1206616SF/634868/a0) |

> Activities carry the prior, current and budget year only — no five-year plan. In the request year they partition this project exactly; in earlier years they can under-cover it.

### Operate and Upgrade Maui Space Surveillance System

Continue: - Modernizing the Maui Space Surveillance System (MSSS) research and development (R&D) facilities and experimental equipment to remain in mission-ready state to mature space surveillance technology into combat-relevant capability that contributes to Combat Forces Command (CFC)'s operational mission (focus on effective…

Full year-by-year narrative: https://hitchintel.com/programs/1206616SF/634868/a0

## What is NOT on this page

Congressional marks, the R-2 mission description and acquisition strategy, the industry vs government split of the whole request, and related program elements are recorded at **program-element** grain — an NDAA mark lands on a PE, never on a project. They are at https://hitchintel.com/programs/1206616SF.

## Source & machine access

- **Source:** FY2027 Department of the Air Force RDT&E Budget Justification, Exhibits R-2/R-2A/R-3, PE 1206616SF project 634868 (PB PB2027).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="1206616SF")`.

*HitchAI is an independent intelligence service, not affiliated with the U.S. Department of Defense. Budget figures are requests/estimates, not obligations.*