http://www.thedrive.com/the-war-zone/16079/airliners-and-f-15s-involved-in-bizzare-encounter-with-mystery-aircraft-over-oregon http://www.thedrive.com/the-war-z

http://www.thedrive.com/the-war-zone/16079/airliners-and-f-15s-involved-in-bizzare-encounter-with-mystery-aircraft-over-oregon http://www.thedrive.com/the-war-zone/16079/airliners-and-f-1... In the story they said they were having a hard time tracking it with radar