It doesn't seem like it is, from the website for it or from the "Find Your Park" motto.
http://www.outsideonline.com/2069606/sexual-harassment-probe-will-expand-entire-national-park-system
That's the address of an article about sexual harassment in the park system.
That's the address of the first page of the section of the government website for the National Park Service Centennial.
Copyright, with noted exceptions, L. Kochman, June 22, 2016 @ 6:40 p.m.