VANDENBERG SPACE FORCE BASE, Calif. -- Vandenberg volunteers came together for National Public Lands Day to help create a new greenbelt and walking trail by planting trees, building trails, removing invasive plants, and painting walkways at the Marshallia Ranch Clubhouse in Lompoc, Calif., Sept. 27, 2024. National Public Lands Day is the country’s largest volunteer event for public lands, celebrated on the fourth Saturday in September. This celebration brings out thousands of volunteers to help restore and improve public lands nationwide.