National Park Service

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

Background
Before the war, the National Park Service was founded to manage the United States' many national parks, protected areas, and nature preserves under the umbrella of the Department of the Interior. They had a presence in Zion Canyon, Acadia National Park, and the Monongahela National Forest.

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