The U.S. military called Name_conferral it `` some of the heaviest urban combat U.S. Marines and Soldiers have been involved Participation in since the Battle of Huế City in Vietnam in 1968 . ''

The Huế chemical attacks Attack occurred Presence on 3 June 1963 , when soldiers of the Army of the Republic of Vietnam ( ARVN ) poured Motion liquid chemicals from tear gas grenades onto the heads of praying Rite Buddhists in Huế , South Vietnam .

The Huế chemical attacks Attack occurred Presence on 3 June 1963 , when soldiers of the Army of the Republic of Vietnam ( ARVN ) poured Motion liquid chemicals from tear gas grenades onto the heads of praying Rite Buddhists in Huế , South Vietnam .