# Project PS1 — Physical Sciences (Basic Research)

**Program element:** 0601384BP — Chemical and Biological Defense Program  
**Project:** PS1  
**Component:** Defense-Wide  
**Appropriation:** 0400 — RDT&E, Defense-Wide  
**Budget Activity:** 1 — Basic Research  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0601384BP/PS1  
**Parent:** https://hitchintel.com/programs/0601384BP

## Summary

Project PS1 — Physical Sciences (Basic Research) requests $11.3M in FY2027, 41% of the $27.4M requested for program element 0601384BP, up 6.9% on FY2026. 1 R-2A activity decomposes the request.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 16.5 |
| FY2026 | Enacted | 10.6 |
| FY2027 | Request | 11.3 |
| FY2028 | Outyear | 10.1 |
| FY2029 | Outyear | 10.0 |
| FY2030 | Outyear | 9.8 |
| FY2031 | Outyear | 9.8 |

> Estimate types are not summed. This project is one leaf of PE 0601384BP; the PE total is the sum of its projects, never added to them.

## What project PS1 buys

This Project (PS1) advances fundamental scientific knowledge in physical science areas that include chemistry, physics, materials science, environmental science, and nanotechnology that could potentially lead to transformational chemical and biological (CB) defensive capabilities enhancing warfighter performance and safety. This project is a key enabler supporting the Understand, Protect, and Mitigate portfolios.

## Activities (R-2A) — 1

| Activity | FY2025 | FY2026 | FY2027 | Move | Page |
|---|---|---|---|---|---|
| 1) Physical Sciences | 16.5 | 10.6 | 11.3 | +7% | [a0](https://hitchintel.com/programs/0601384BP/PS1/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.

### 1) Physical Sciences

- Continue to identify and characterize innovative materials for next generation protection and detection proof-of-concept for chemical and biological defense. - Continue to employ artificial intelligence and machine learning approaches for material discovery and design parameters to synthesize new materials that destroy chemical and…

Full year-by-year narrative: https://hitchintel.com/programs/0601384BP/PS1/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/0601384BP.

## Source & machine access

- **Source:** FY2027 Office of the Secretary of Defense RDT&E Budget Justification, Exhibits R-2/R-2A/R-3, PE 0601384BP project PS1 (PB PB2027).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="0601384BP")`.

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