Assertion: pigeon | /r/ObjectUse | used in both world war i
Facets:
Source sentences:
text: The pigeon was used in both World War I and II, notably by the Australian, French, German, American, and UK forces.
text: Communications improved considerably between World Wars I and II, but pigeons were still used throughout World War II as supplemental and emergency means of communication.
text: The pigeon was used in both World War I and II, notably by the Australian, French, German, American, and UK forces.