
The United States Navy master diver is the highest level in the diving industry. These enlisted personnel have the most knowledge, experience, and training in all aspects diving and underwater salvage. To be considered a master diver, you must have at least 15 years of experience and have completed a specialization course. In the United States Navy, you can earn your master diver status by taking a specialization course.
PADI Master Scuba Diver
PADI Master Scuba Diver is an international certification that recognizes your scuba diving skills. 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. It is considered the highest level of diver certification available. You will be required to dive at least 30ft underwater while completing 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. The course will equip you with the knowledge and skills to organize diving trips for other divers. You'll be able to read underwater communications and use a compasses. Learn how to lead a diver in a new place. This course consists of both two open water and a classroom session.
NAUI Enriched Air (Nitrox) Diver
A great way to enhance your diving experience is to take the NAUI EnrichedAir Master Diver (NITX). This course covers all aspects of enriched air diving including mixing Nitrox and Oxygen. 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. Additionally, students will learn the concepts of EquivalentAir Depth and common gas mix techniques. The enriched oxygen course can be used as an extension to an open water diver's Scuba Diver certification.
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. Start by taking the Try Scuba course. This program is designed to give you the knowledge and skills necessary to safely dive into 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. The course includes refresher sessions as well as valuable information about new First Aid standards, training best practices, and other useful information. You will be able to quickly respond to an emergency with the NAUI First Aid course. The course is also uniquely hands-on, allowing you to practice the skills that you learn in the classroom.