Guinness (horse) and his trainer demonstrating horse training techniques used to prep horses for police work.

Caisson (horse) in the foreground and Guinness (horse) with their trainers.

Guinness (horse) and his trainer surrounded by students to learn safe methods of touching the horses.

Caisson (horse) and his trainer with students.

National Parks Service Police and their horses, present to Criminal Justice students.

Caisson (horse) and trainer demonstrating horse mounted policing techniques.

National Parks Service Police on their horses.

NPS Officer and horse, Guinness, with students.

NPS Officer and horse, Caisson, with students.