Portuguese Naval Aviation ended in 1952.
Portuguese Naval Aviation was created in 1917.
The Navy's aviation branch is called Naval Aviation, or Naval Air Warfare.
Naval Aviation Hall of Honor was created in 1979.
Brazilian Naval Aviation's motto is 'Wings over the seas'.
Netherlands Naval Aviation Service was created in 1914.
National Naval Aviation Museum was created in 1962.
Portuguese Naval School was created in 1845.
Republic of China Naval Aviation Command was created in 1977.
Naval Aviation Museum - India - was created on 1998-10-12.
The web address of the Naval Aviation Museum Foundation is: http://Navalaviationmuseum.org
The web address of the Naval Aviation Museum is: http://usnasw.org
Yes, the Portuguese did use heavy cannons on their naval ships. The heavy cannons were mounted below the deck, and the Portuguese were actually pioneers in the evolution of modern naval warfare.