{"conversationCode":"550-004","tapeNumber":550,"conversationNumber":4,"identifier":"37-wht-conversation-550-004","startDateTime":"1971-07-28T22:21:00.000Z","endDateTime":"1971-07-28T22:40:00.000Z","startDate":"28-Jul-1971","startTime":"6:21 PM","endDate":"28-Jul-1971","endTime":"6:40 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"United States Secret Service agents;","description":"On July 28, 1971, United States Secret Service agents met in the Oval Office of the White House at an unknown time between 6:21 pm and 6:40 pm. The Oval Office taping system captured this recording, which is known as Conversation 550-004 of the White House Tapes.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":1,"chronRelease":"First Chronological Release","chronReleaseDate":"5-Oct-1999","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 550-4\n\nDate: July 28, 1971\nTime: Unknown between 6:21 pm and 6:40 pm\nLocation: Oval Office\n\nUnknown men (Secret Service) entered.\n\n**********************************************************************\n\n[Previous non-historical (H) withdrawal reviewed under deed of gift 02/10/2020. Segment\ncleared for release.]\n[Non-Historical Returnable]\n[550-004-w001]\n[Duration: 1m 54s]\n\n     The President’s schedule [?]\n\n     Door\n\n**********************************************************************\n\nThis recording was cut off at an unknown time before 6:40 pm.","filename":["550-004.mp3"],"tapeStart":"01:19:23","tapeEnd":"01:21:17","participantsList":["United States Secret Service agents"],"prevCode":"550-003","nextCode":"551-001","transcript":[{"start":11.76,"end":12.34,"text":"No!"},{"start":81.64,"end":105.38,"text":"Okay."},{"start":105.4,"end":105.61,"text":"All right."},{"start":105.62,"end":105.92,"text":"Now this, uh, ."}],"aiSummary":{"text":"United States Secret Service agents gathered in the Oval Office to conduct a brief, informal coordination session regarding presidential security details. The recording captures disjointed dialogue characterized by routine logistical directives and procedural acknowledgments among the protection team. No major policy shifts or strategic decisions are documented in this fragment, as the discussion remains limited to immediate operational instructions.","topics":["Secret Service","Presidential protection","Security logistics","White House operations"],"generatedAt":"2026-04-06T23:33:27.707Z"},"topicSlugs":["secret-service","presidential-protection","security-logistics","white-house-operations"],"audioDurationSec":114,"audioFiles":[{"file":"550-004.mp3","bytes":4564946,"durationSec":113.97,"bitrate":320423,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T02:19:51.011Z","findingAidSource":"nixonlibrary.gov subject log (2024-05), reslice-v2","findingAidUpdatedAt":"2026-09-18T08:43:59.521Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/550-004.mp3"],"url":"https://www.easynixon.org/tapes/550-004","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/550/conversation-550-004","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}