{"id":"S2020000307","label":"X-48 (Research plane)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2020000307","normalized_label":"x-48 (research plane)","broader":["http://id.loc.gov/authorities/subjects/sh85015277","http://id.loc.gov/authorities/subjects/sh87004290"],"aliases":["Boeing X-48 (Research plane)","Boeing X-48A (Research plane)","Boeing X-48B (Research plane)","Boeing X-48C (Research plane)","Boeing-Cranfield X-48 (Research plane)","Boeing-Cranfield X-48A (Research plane)","Boeing-Cranfield X-48B (Research plane)","Boeing-Cranfield X-48C (Research plane)","X-48A (Research plane)","X-48B (Research plane)","X-48C (Research plane)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2020000307","provider":"lcsh","revision":"6c9cecb86c92fc8e","taxonomy_revision":"f050b5d4780b1289","title":"X-48 (Research plane)","url":"/topics/S2020000307","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14412864911038234626","address_version":"morton4x16-v1","coordinates":[0,481,39688,52224],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}