about national park rangers?

i was wondering what type of weapons do park rangers use. what is their training and what do all get trained in law enforcement, medical, and firefighting. Do you get to choose the park to work in or are you assigned i would like to choose anyone with info please

Park rangers from what I know carry Glock Pistols. They are trained as any police officer is. Their website is http://www.nps.gov/personnel/.