THE INTERPRETER: BOMBSHELL: Ambush of Russian Bomber Was Guided by US Reconnaissance : A U.S. Air Force Boeing E-3 Sentry AWACS plane took off on 24 November from the Preveza airbase in Greece. A second E-3A of the Saudi Arabian air force took off from the Riyadh airbase. Both planes were executing a common task—determining the precise location of Russian aircraft. It is they that picked the “victim.”