Title: Department of State, Airgram, Ordfordness Over the Horizon (OTH) Radar Facility, March 16, 1968, Secret, NARA.
Creator: Department of State
Date in Source: March 16, 1968
Subject: Great Britain - Radar intelligence - RADINT - Over-the-horizon radars - Sentinel Fan - Press leaks - Daily Mail
Format: 3 p.