{"id":"S85075056","label":"Launch vehicles (Astronautics)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85075056","normalized_label":"launch vehicles (astronautics)","broader":["http://id.loc.gov/authorities/subjects/sh85008211","http://id.loc.gov/authorities/subjects/sh85114720"],"aliases":["Space launch vehicles"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85075056","provider":"lcsh","revision":"ddff31441b45c9fb","taxonomy_revision":"f050b5d4780b1289","title":"Launch vehicles (Astronautics)","url":"/topics/S85075056","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088133535128224260","address_version":"morton4x16-v1","coordinates":[0,20,18577,49152],"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}