Assertion: grenade's type | /r/HasProperty | tossed by u.s. soldiers
Facets:
value: during the vietnam war
type: TEMPORAL
Source sentences:
text: Soldiers frequently lobbed them on the battlefield, so much so that concussion grenades amounted to the second most common type tossed by U.S. soldiers during the Vietnam War, according to a 1969 Army study of 17 infantry fighting in the conflict.