Glomar links Reporters Committee for Freedom of the Press guide to FOIA Requests http://www.rcfp.org/federal-foia-appeals-guide/exemption-1/ii-appealing-agency%E2%80%99s-withholding-records-substantive-grou-10 Glomar Explorer history at NSArchive http://www.gwu.edu/~nsarchiv/nukevault/ebb305/index.htm#docs DOJ Glomar decisions http://www.justice.gov/oip/courtdecisions/glomar.html ProPublica commentary http://www.propublica.org/article/drone-documents-why-the-government-wont-release-them