 The Initiative is now known as the NPS Maritime Heritage Program In this role, Delgado oversaw the creation of classification standards and guidelines for preservation and documentation.Delgado was the principal author of the National Register of Historic Places’ guidelines for nominating historic ships and shipwrecks, and co-authored the National Register Bulletin for nominating historic aids to navigation.As a guiding principle of the National Maritime Initiative, Delgado, based on his experience at Golden Gate National Recreation Area, insisted on a physical inspection of the nation's large historic vessels as part of the creation of a comprehensive national inventory of those vessels.