
The United States Navy master diver is the highest level in the diving industry. The enlisted person has the most experience, knowledge and training in all areas of diving and underwater salvaging. To be considered a master diver, you must have at least 15 years of experience and have completed a specialization course. By taking a specialization class, master diver status can be earned in the United States Navy.
PADI Master Scuba Diver
PADI Master Scuba Diver certification signifies that you have mastered scuba diving. This program is offered by several North American diving training agencies including the National Association of Underwater Instructors (NAUI), the Professional Association of Diving Instructors (PADI), Scuba Schools International and the Professional Scuba Diver Association. This is the most advanced level of diving 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 will be able use a compass, recognize pre-panic signs, and perform underwater communications. You will also learn how you can lead a dive at a new location. This course includes both classroom sessions and open water dives.
NAUI Enriched Air (Nitrox) Diver
Taking the NAUI Enriched Air (NITX) Master Diver course is a great way to expand your diving experience. This course will teach you how to mix Nitrox with oxygen, and many other aspects of enriched water diving. The course will teach students how to analyze the mixture and what the physiology is of nitrogen and oxygen, as well as the dangers of handling these gases. Students will also learn how to calculate Equivalent Air Depth as well as common gas mixture techniques. You can take the enriched-air course as an extension to your open water diver certification. This is required in order to be able use the enriched mix.
NAUI Rescue Scuba Diver
You must take the required courses to achieve your goal of becoming a NAUI Rescue Scuba Diver Master Diver Instructor. This certification is a prerequisite for the NAUI FIT course, which prepares you to become a professional NAUI Instructor or Leader. The Try Scuba program is the best way to start. This program aims to provide you with the necessary skills and knowledge to safely dive in open sea.

NAUI First Aid Course
The NAUI First Aid Course for Master Divers will help you respond to various emergencies in the water. In addition to refresher sessions, the course will also provide valuable information on new First Aid standards and training best practices. The NAUI First Aid course will give you the necessary knowledge to respond to an emergency without delay. It is hands-on and allows you to apply the skills you have learned in the classroom.