The Historical Diving Society, USA is an educational, non-profit (501C3) whos mission statement is: "To preserve, study, compile archive and disseminate information relating to the history of man's underwater activities and to promote public awareness of and participation in underwater activities". The HDS is supported by a membership base as well as sponsors who understand the importance of our mission. Their tax free donations help make this all possible. If you would like to make a tax-free donation to the Historical Diving Society USA using your Credit Card or Paypal account, please use the Donation button below. To become a member of the Historical Diving Society, please click on the "JOIN the HDSUSA" link on the top of the page.