
Master diver in the United States Navy ranks as the highest level of diving qualification one can attain in warfare. The most experienced, knowledgeable and trained enlisted person in the diving and underwater rescue industries is this master diver. At least 15 years' experience is required to become a master diver. You also need to have taken a specialization class. You can become a master diver in the United States Navy by completing a specialization course.
PADI Master Scuba Diver
The PADI Master Scuba Diver scuba certification is a recognized level of scuba diving expertise. The program can be offered by several North American training agencies like the National Association of Underwater Instructors or the Professional Association of Diving Instructors. It is considered to be the most advanced level possible of diver certification. The course requires that you dive at least 30 feet below water.

NAUI Master Scuba Diver
If you're ready to move on to a higher level of scuba diving, then a NAUI Master Scuba Diver course might be right for you. This course will give you the knowledge and skills you need to organize dives with other divers. You'll be able to read underwater communications and use a compasses. Also, you'll learn how and where to dive. This course includes both classroom sessions and open water dives.
NAUI Enriched Air (Nitrox) Diver
To enhance your diving experience, the NAUI Master Diver Course in Enriched Air (NITX). The course covers all aspects involved in enriched-air diving, including mixing Nitrox with oxygen. The course teaches students how to analyze the breath mixture and how the physiology of nitrogen and oxygen affects the safety of handling the gases. In addition, they'll learn the concept of Equivalent Air Depth and common gas mixing techniques. The enriched oxygen course can be used as an extension to an open water diver's Scuba Diver certification.
NAUI Rescue Scuba Diver
It is necessary to complete the required courses in order to fulfill your dream of becoming an NAUI Rescue Scuba Diver Master Diver instructor. This certification is a prerequisite to the NAUI FIT course. It prepares you for becoming a professional NAUI Instructor Leader. You can start by enrolling in the Try Scuba Program. This program will teach you all the skills and knowledge needed to safely dive open water.

NAUI First Aid course
NAUI First Aid training for master divers will equip you with the skills to deal with a range of emergencies that can occur in water. This course provides refresher sessions and valuable information on First Aid standards and best practices. NAUI First Aid will equip you with the skills and knowledge necessary to rapidly respond to an immediate emergency. This course allows you to put into practice what you've learned in class.