msd

I am about to start my AAUS Scientific diver course through my university (Texas A&M). I was looking at the course description and noticed that it also included NAUI Master Scuba Diver rating in addition to the scientific diver certification. What are some of the differences between PADI and...

Hi guys quick question. Currently at a crossroads here I'm not sure if I should do a NAUI MSD or a PADI Rescue course. While googling it, it appears that both courses are identical in that they come after advanced open water/advanced scuba diver. However the NAUI MSD has a heavier emphasis on...