The story morphed from balloons into UFOs which then morphed into potential (fake/hologram) alien invasion scenarios. And if Wernher von Braun's information is authentic, then this is the dark's final card to play.
Having said that, it's interesting to note the sudden change in rhetoric as officials downplay the events. Whether this is related to the dwindling numbers of order-givers as per Kim Goguen's update and the general decline of the system, remains to be seen.
Nena's song in German (released 1983)
Nena's song in English (released 1984)