The course is a continuing education certification course for divers who wish to increase their understanding and enjoyment of diving. Emphasis is on student paraticipation and practical application of knowledge in open water after classroom discussion of subjects. This course is an excellent progression toward NAUI Leadership roles. Some subject areas are a review and expansion or material from previous courses. Each subject area is a progression in study not a definitive study in a particular diving activity. However, instructors will specify preformance objectives for related course diving activities. Upon successful completionof this course, graduates are considered competent to engage in open water diving activities without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training. 
 
Prerequisites
 
Minimum age is 10 years for Junior certification
Minimum age is 15 years for Adult certification
 
Certification as a Rescue Scuba Diver or the equivalent is required.