Publishing in Die Welt, Hersh reveals that the US intelligence services were categorically contradicting the story of a Syrian gas attack Khan Sheikhoun which led to a US cruise missile attack on the Shayrat Air Base:

On April 6, United States President Donald Trump authorized an early morning Tomahawk missile strike on Shayrat Air Base in central Syria in retaliation for what he said was a deadly nerve agent attack carried out by the Syrian government two days earlier in the rebel-held town of Khan Sheikhoun. Trump issued the order despite having been warned by the U.S. intelligence community that it had found no evidence that the Syrians had used a chemical weapon.

The available intelligence made clear that the Syrians had targeted a jihadist meeting site on April 4 using a Russian-supplied guided bomb equipped with conventional explosives. Details of the attack, including information on its so-called high-value targets, had been provided by the Russians days in advance to American and allied military officials in Doha, whose mission is to coordinate all U.S., allied, Syrian and Russian Air Force operations in the region.

Some American military and intelligence officials were especially distressed by the president’s determination to ignore the evidence. “None of this makes any sense,” one officer told colleagues upon learning of the decision to bomb. “We KNOW that there was no chemical attack … the Russians are furious. Claiming we have the real intel and know the truth … I guess it didn’t matter whether we elected Clinton or Trump.”

The implication of the last statement, of course, is that the notoriously bellicose Hillary Clinton would seize any pretext for a strike against Syria and the Russians.

To the dismay of many senior members of his national security team, Trump could not be swayed over the next 48 hours of intense briefings and decision-making. In a series of interviews, I learned of the total disconnect between the president and many of his military advisers and intelligence officials, as well as officers on the ground in the region who had an entirely different understanding of the nature of Syria’s attack on Khan Sheikhoun. I was provided with evidence of that disconnect, in the form of transcripts of real-time communications, immediately following the Syrian attack on April 4. In an important pre-strike process known as deconfliction, U.S. and Russian officers routinely supply one another with advance details of planned flight paths and target coordinates, to ensure that there is no risk of collision or accidental encounter (the Russians speak on behalf of the Syrian military). This information is supplied daily to the American AWACS surveillance planes that monitor the flights once airborne. Deconfliction’s success and importance can be measured by the fact that there has yet to be one collision, or even a near miss, among the high-powered supersonic American, Allied, Russian and Syrian fighter bombers.

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“The rebels control the population by controlling the distribution of goods that people need to live – food, water, cooking oil, propane gas, fertilizers for growing their crops, and insecticides to protect the crops,” a senior adviser to the American intelligence community, who has served in senior positions in the Defense Department and Central Intelligence Agency, told me. The basement was used as storage for rockets, weapons and ammunition, as well as products that could be distributed for free to the community, among them medicines and chlorine-based decontaminants for cleansing the bodies of the dead before burial. The meeting place – a regional headquarters – was on the floor above. “It was an established meeting place,” the senior adviser said. “A long-time facility that would have had security, weapons, communications, files and a map center.” The Russians were intent on confirming their intelligence and deployed a drone for days above the site to monitor communications and develop what is known in the intelligence community as a POL – a pattern of life. The goal was to take note of those going in and out of the building, and to track weapons being moved back and forth, including rockets and ammunition.

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The Execute Order governing U.S. military operations in theater, which was issued by the Chairman of the Joint Chiefs of Staff, provide instructions that demarcate the relationship between the American and Russian forces operating in Syria. “It’s like an ops order – ‘Here’s what you are authorized to do,’” the adviser said. “We do not share operational control with the Russians. We don’t do combined operations with them, or activities directly in support of one of their operations. But coordination is permitted. We keep each other apprised of what’s happening and within this package is the mutual exchange of intelligence. If we get a hot tip that could help the Russians do their mission, that’s coordination; and the Russians do the same for us. When we get a hot tip about a command and control facility,” the adviser added, referring to the target in Khan Sheikhoun, “we do what we can to help them act on it.” “This was not a chemical weapons strike,” the adviser said. “That’s a fairy tale. If so, everyone involved in transferring, loading and arming the weapon – you’ve got to make it appear like a regular 500-pound conventional bomb – would be wearing Hazmat protective clothing in case of a leak. There would be very little chance of survival without such gear. Military grade sarin includes additives designed to increase toxicity and lethality. Every batch that comes out is maximized for death. That is why it is made. It is odorless and invisible and death can come within a minute. No cloud. Why produce a weapon that people can run away from?”

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“It was a totally Trump show from beginning to end,” the senior adviser said. “A few of the president’s senior national security advisers viewed the mission as a minimized bad presidential decision, and one that they had an obligation to carry out. But I don’t think our national security people are going to allow themselves to be hustled into a bad decision again. If Trump had gone for option three, [a massive air strike] there might have been some immediate resignations.”

Nothing about the official White House account makes sense in the initial reports:

• Assad had no reason to use chemical weapons, he was winning decisively at the time.
• There were no reports of any sort of special handling of the munitions by the crews.
• The films on the net show actions by the first responders which would have had them contaminated, and effected, as well.
• The reports of a strong smell indicate that the toxin was not military grade Sarin.

And now we know that this strike had been communicated with US forces days in advance as part of the US-Russia deconfliction protocol, and that the professional staff in the US state security apparatus did not believe that there had actually been a chemical weapons attack.