Not really, the NAS is the Nautical Archeology Society.

Posting here as there are two local events that might be of interest. These lead to a recognised qualification and when suitably the ability to participate in some underwater archeology which I have been assured is like picking dubloons off a shingle bed and nothing at all like staying in one place recording gridtranscect data!

Sat 16th: NAS Introduction to Foreshore and Underwater Archaeology
A one day course introducing nautical archaeology and the NAS. The day includes a mix of theory and practical sessions, both on land and in a pool. Diving is not mandatory. Cost £55
Location: Edinburgh
For more details see: http://www.nauticalarchaeologysociety.org/training/intro.php
Contact NAS Office by Email at nas@nauticalarchaeologysociety.org by phone at 02392 818419

Sat 30th: Introduction to Foreshore and Underwater Archaeology
A one day course introducing nautical archaeology and the NAS. The day includes a mix of theory and practical sessions, both on land and in a pool. Diving is not mandatory. Cost: £55
Location: Loch Tay, Scotland
For more details see: http://www.nauticalarchaeologysociety.org/training/index.php
Contact NAS Office by Email at nas@nauticalarchaeologysociety.org by phone at 02392818419