The site of the Cemetery shall be determined by the Department with the approval of the Delaware Veterans Affairs Committee or its successor. The site shall be convenient to all veterans of the State and shall meet the necessary standards and guidelines established by the United States Administrator of Veterans Affairs for the location of state-owned veterans cemeteries. In selecting the site, preference shall be given to land which is owned by the State. Land for the site may be acquired by purchase only in the event suitable state-owned land is not available.