Warship-Photos exists for the exchange of warship photographs of all eras. Paintings of warships of the pre-photography era are ... allowed. Photos of unknown ships may also be submitted to identify. Per Yahoo policy, you must own the copyright of, or have permission to reproduce, any photos you submit. If you took the photo, by definition and international law you own its copyright, unless taking the photo under a legal condition where the rights go to another entity, e.g. a USN official photograph taken by a USN photographer for non-personal reasons. USN official photos may be reproduced copyright-free as long as they are identified as USN official photos.