# Capability and Operational Support

**Agency:** Homeland Security  
**Account:** Operations and Support  
**Source document:** Countering Weapons of Mass Destruction · p. 4  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/budget/homeland-security/capability-and-operational-support  

> **Trust:** parsed from the agency Congressional Justification. Approximate, **not summable**, verify at the cited page.

## Funding ($M)

| Fiscal year | Basis | Amount |
| --- | --- | --- |
| FY2025 | enacted | 69.4 |
| FY2026 | CR annualized | 69.4 |

The prior-year column is a CR annualized figure, not an enacted appropriation.


## Homeland Security discretionary budget authority (OMB PBDB — authoritative)

FY2027 $91.40B, FY2026 $88.60B. This is the agency total, not a sum of the parsed lines.


## What this funds

The Countering Weapons of Mass Destruction Office (CWMD) Operations and Support (O&S) appropriation funds activities to counter Weapons of making for DHS leadership and Federal, State, Local, Tribal, and Territorial (FSLTT) partners. The FY 2027 President's Budget transfers the entirety of CWMD O&S to other DHS Components as follows: CBRN Policy, Strategy, Risk, and Detection Architecture: 6 U.S.C. '' 591 note (including '2(b), (g) of Cybersecurity and Infrastructure Security Coordination and management of BioWatch, Securing the Cities, and operational programs, such as the Mobile Detection Deployment Program, Chemical Support, and Training, Exercise, and Readiness Countering Weapons of Mass Destruction Operations and Support The appropriation is broken out into the following Programs, Projects, and Activities (PPA): Mission Support: The Mission Support PPA funds the Office of the Assistant Secretary and Enterprise Services. This PPA funds support compensation and benefits for CWMD and detailed Federal employees; maintains enterprise leadership, management, and business administration for daily operations; and supports CWMD regional personnel. Key capabilities include financial management, physical and personnel security, goods communications, and general management and administration. Funding in the mission support PPA is transferred in the FY 2027 Budget to CISA Capability & Operational Support (C&OS): The C&OS PPA funds programs and activities that provide situational awareness and decision support for DHS leadership and Federal partners, the NBIC, and CBRN test and evaluation infrastructure. Additionally, it supports CWMD threat, and risk analysis, and provides outreach to, and operational support for, FSLTT partners. Funding in the Capability and Operational Support PPA is transferred in the FY 2027 Budget to CISA. Countering Weapons of Mass Destruction Operations and Support


**Where it sits:** Civilian / Non-Defense › Homeland Security › Countering Weapons of Mass Destruction › Operations and Support › Capability and Operational Support


*HitchAI is an independent intelligence service, not affiliated with the U.S. government. Civilian line dollars are parsed from agency Congressional Justifications and are approximate.*