The Historic Naval Ships Association (HNSA) links the public with historic ships from around the world. The Historic Naval Ships Association (HNSA) links the public with historic ships from around the world. Our Mission is: To educate the public on the rich naval maritime heritage of the member ships; the roles the ships have played in their countries' histories; and the importance of preserving historic naval ships for future generations. To foster the exchange of information and experiences among the member ship staffs to enable them to develop and conduct educational programs to spread knowledge of their histories to the public. To provide information, assistance and support to the member ship staffs to enable them to manage and operate their facilities in the most efficient manner possible.