Park ranger
A park ranger, park warden, or forest ranger is a person entrusted with protecting and preserving parklands – national, state, provincial, or local parks. "Parks" may be broadly defined by some systems in this context, and include protected culturally or historically important built environments, and is not limited to the natural environment. Different countries use different names for the position. "Warden" is the favored term in Canada, Ireland, and the United Kingdom. Within the United States, the National Park Service refers to the position as a park ranger. The U.S. Forest Service refers to the position as a forest ranger. Other countries use the term "park warden" or "game warden" to describe this occupation. The profession includes a number of disciplines and specializations, and park rangers are often required to be proficient in more than one.
United States Park Police
U.S. Park Police maintains communications centers which operate 24 hours a day seven days a week. One in the District of Columbia, one in San Francisco and two in the New York area. The Park Police oversees two dispatch (SF and NY) centers which also dispatch park EMS crews as well as park police officers. The centers are staffed by fully trained emergency dispatchers who handle a wide range of emergency calls for service, from shooting calls to suicide calls. The dispatchers have been credited with saving numerous civilian lives through specialized call taking (such as suicide call taking) and through quick deployment of officers to scenes as well as coordinating multi-agency police responses to scenes.