Assertion: zeppelin's airship | /r/HasProperty | flown over czech border
Facets:
value: for espionage purposes
type: PURPOSE
Source sentences:
text: Although it was officially a demonstration trial flight, the airship, escorted by four Messerschmitt Bf 109's disguised as civilian police planes, was flown over the Czech border for espionage purposes; some authors have deemed this to be unlikely, considering the speed difference between the two aircraft.