White Sands Missile Range surrounds the White Sands National Monument. Occasionally, White Sands Missile Range testing in the airspace over the monument requires the National Park Service to evacuate. COMPLETE EVACUATION All visitors must return to the Visitor Center parking area by 1230. The Park will remain closed until 145. WE APPRECIATE YOUR COOPERATION AND SINCERELY REGRET THE INCONVENIENCE. PLEASE VISIT US AGAIN. Dennis Vasquez, Superintendent White Sands National Monument 505-479-6124