WChemical weapon
WAgent Orange
WArea denial weapon
WChemical bombing of Sardasht
WCNS (chemical weapon)
WCS gas
WDimethyl methylphosphonate
WDiphenylchlorarsine
WDiphenylcyanoarsine
WDisabled Iranian veterans
WEA-3148
WFluoroethyl fluoroacetate
WGosNIIOKhT
WIraqi chemical attacks against Iran
WMethyl fluoroacetate
W3-Methylfentanyl
WPepper-spray projectile
WSkunk (weapon)
WStink bomb
WT-1123
WTear gas
WVR (nerve agent)
WZyklon B