The Department of Homeland Security (DHS) is seeking Advisory and Assistance Services (A&AS) to support its Countering Weapons of Mass Destruction (CWMD) Office's Information Analysis Directorate (IAD). The objective of this procurement is to provide comprehensive administrative, programmatic, systems engineering, and scientific support services aimed at addressing chemical, biological, radiological, and nuclear (CBRN) threats, including tasks such as biosurveillance analysis and threat detection. This initiative is crucial for enhancing national security through proactive threat analysis and collaboration with federal, state, and local partners to improve information sharing and operational efficiency. Interested parties can contact Benjamin Simmons at Benjamin.Simmons@hq.dhs.gov for further details, with the contract structured for a one-year base term and four potential extensions, primarily executed at DHS facilities in Washington, D.C.