Assertion: nuclear weapon | /r/ObjectUse | used in combat
Facets:
Source sentences:
text: This is the only time in history when nuclear weapons have been used in combat.
text: These two events were the only times nuclear weapons have been used in combat.
text: Nuclear weapons have been used twice in combat: two nuclear weapons were used by the United States against Japan during World War II in the atomic bombings of Hiroshima and Nagasaki.