The incident, which happened on July 18, went public last Wednesday after a classified document from Sweden’s Defense Ministry was leaked to the press.
The plane, a Boeing RC-135 Rivet Joint, entered Sweden’s airspace after permission to do so was denied by traffic control, Svenska Dagbladet (SvD) newspaper said. It passed from the east over the island of Gotland and flew more than 200km over 90 minutes before leaving .... http://rt.com