Assertion: zeppelin's airship | /r/HasProperty | built for the u.s. navy
Facets:
value: from 1942 till 1945
type: TEMPORAL
Source sentences:
text: From 1942 till 1945, 154 airships were built for the U.S. Navy (133 K-class, 10 L-class, seven G-class, four M-class) and five L-class for civilian customers (serial numbers L-4 to L-8).