# Department of Homeland Security Science and Technology Directorate
**Entity class:** Department of Homeland Security component
**Aliases:** DHS S&T
## Definition
The **Department of Homeland Security Science and Technology Directorate** conducts and supports research, development, testing, evaluation, and transition of technologies for homeland-security missions.
## Relationships
- **historical program:** [[wiki/Standoff Technology Integration and Demonstration Program|Standoff Technology Integration and Demonstration Program]].
- **mission context:** explosives detection, border security, emergency response, cyber, biological, and other homeland-security technologies.
- **collection:** [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]].
## Sources / Provenance
- [DHS Science and Technology Directorate](https://www.dhs.gov/science-and-technology)