The Swiss Military meanwhile has started an investigation against the editor-in-chied and two journalists of the Sunday paper ('Sonntagsblick') which first published the report (and the photo of it), reason: betrayal of state secrets
A second investigation is going on, how the classified documents could become public.
Source: Swiss Department of Defende - Civil Protection - Sports,
Press Release
(only in German, French and Italian)
Additonally, there are several official questions in the Swiss parliament, especially, since it is known that the USA (CIA airplanes) violated more than 70 times in the last two years the Swiss airspace.