National Park Service

The U.S. National Park Service was a pre-War government agency responsible for the operation of America's national parks.

Background
Before the war, the National Park Service had a presence in Zion Canyon. In 2068, the organization celebrated its 150th anniversary. It commemorated the occasion with a custom seal, which can be found on Zion National Park posters.

Appearances
The National Park Service is mentioned in the Fallout: New Vegas add-on Honest Hearts, the Fallout 4 add-on Far Harbor, and Fallout 76.