Did the US military use chemical weapons in Iraq?

So we had the weapons. And it seemed we used them. I wonder if we got them from Saddam?

KI, the Italian news agency, reports that the documentary, entitled "Fallujah: The Hidden Massacre" and aired on the first aniversary of the assault on insurgents in Fallujah, includes interviews with former US soldiers and with residents of Fallujah who say that during the assault on the city the US military used the chemical white phosphorus.
"I heard the order being issued to be careful because white phosphorus was being used on Fallujah. In military slang this is known as Willy Pete. Phosphorus burns bodies, melting the flesh right down to the bone," says one former US solider, interviewed by the documentary's director, Sigfrido Ranucci.
"I saw the burned bodies of women and children. The phosophorous explodes and forms a plume. Who ever is within a 150 metre radius has no hope," the former soldier adds.
RAI says the use of white phosphorus in built-up areas amounts to the illegal use of chemical weapons, although the BBC notes that such bombs are considered incendiary devices. The US military admits to using the weapon to illuminate battlefields in Iraq, and says it did so in Fallujah, but insists it did not use it in civilian areas. Washington is not a signatory of an international treaty restricting white phosphorus devices.

This war is not justified. These actions are clearly not justified. We condemn/berate others - let us condemn/berate our own actions.