Assertion: zeppelin's design | /r/HasProperty | produced following loss
Facets:
value: in 1917
type: TEMPORAL
value: to the air defences over britain
type: TRANSITIVE-OBJECT
Source sentences:
text: In 1917, following losses to the air defences over Britain, new designs were produced which were capable of flying at much higher altitudes, typically operating at around 6,100 m (20,000 ft).