
The highest level of war qualification in diving is master diver in US Navy. Enlisted persons have the greatest depth of knowledge, experience and training regarding all aspects and salvage. At least 15 years' experience is required to become a master diver. You also need to have taken a specialization class. 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 is an internationally recognized level of scuba diving proficiency. It is offered by several North American divers training agencies, such as the National Association of Underwater Instructors. The Professional Association of Diving Instructors. 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. This course will give you the knowledge and skills you need to organize dives with other divers. The course will teach you how to use a GPS, make underwater communications, and identify pre-panic signs. Also, you'll learn how and where to dive. This course is comprised of a classroom session as well as two open water dives.
NAUI Enriched Air (Nitrox) Diver
A great way to enhance your diving experience is to take the NAUI EnrichedAir Master Diver (NITX). This course will teach you how to mix Nitrox with oxygen, and many other aspects of enriched water diving. Students will be able to analyze and understand the physiology and hazards of using both nitrogen and oxygen. They will also learn about Equivalent Air Depth, common gas mixing techniques, and the concept of Equivalent air depth. An open water diver can also take the enriched course. It is a prerequisite for using the enriched mixture.
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. You can start by enrolling in 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
The NAUI First Aid Course for Master Divers will help you respond to various emergencies in the water. Apart from refresher sessions, this course will provide valuable information regarding new First Aid standards as well training best practices. 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.