
A master diver in the United States Navy is the highest level of warfare qualification a person can achieve in the diving industry. Enlisted persons have the greatest depth of knowledge, experience and training regarding all aspects and salvage. You must have at minimum 15 years of diving experience and have successfully completed a specialization course to be considered master diver. A specialization course can help you earn master diver status in the United States Navy.
PADI Master Scuba Diver
The PADI Master Scuba Diver scuba certification is a recognized level of scuba diving expertise. Several North American diver training agencies, including the National Association of Underwater Instructors, Professional Association of Diving Instructors, Scuba Schools International, and the Professional Scuba Diver Association, offer the program. It is considered to be the most advanced level possible of diver certification. You must dive at least thirty feet below the surface to complete the course.

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 is designed to equip you with the knowledge necessary to organize dives for others. You'll learn to use a compass and perform underwater communications. You will also learn how you can lead a dive at a new location. This course consists of both two open water and a classroom session.
NAUI Enriched Air (Nitrox) Diver
To enhance your diving experience, the NAUI Master Diver Course in Enriched Air (NITX). This course will teach you how to mix Nitrox with oxygen, and many other aspects of enriched water diving. 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. Additionally, students will learn the concepts of EquivalentAir Depth and common gas mix 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
The courses required to become a NAUI Rescue Scuba Diver Master Diver Instructor are necessary in order to realize your dream. This certification is a prerequisite in the NAUI FIT program, which will prepare you to be a professional NAUI Instructor/Leader. To get started, take the Try Scuba program. This program aims to provide you with the necessary skills and knowledge to safely dive in open sea.

NAUI First Aid course
Master divers can take a NAUI First Aid course to prepare them to handle a wide range of emergency situations that may arise in the water. Refresher sessions are included, as well as information on the latest First Aid standards. You will be able to quickly respond to an emergency with the NAUI First Aid course. You can also practice the skills you have learned in class by taking the course hands-on.