Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Click on a table to view the table information from the pre-2016 FRS data model.
To view an updated FRS data model that includes sub-facility components, visit the FRS Sub-Facility Data Model page.