This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Nautilus SSN keel laying. en President Harry Truman authenticates the keel of the Nautilus SSN at her keel laying at the Electric Boat Co Groton Conn on June pl Prezydent Harry Truman oficjalnie zapocztkowuje budow Nautilusa org US Navy photo PDUSGovMilitaryNavy USS Nautilus SSN Keellaying ceremonies