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Humanity is at a dangerous crossroads. War preparations to attack Iran are in “an advanced state of readiness”. Hi tech weapons systems including nuclear warheads are fully deployed.
This military adventure has been on the Pentagon’s drawing board since the mid-1990s. First Iraq, then Iran according to a declassified 1995 US Central Command document.
Escalation is part of the military agenda. While Iran, is the next target together with Syria and Lebanon, this strategic military deployment also threatens North Korea, China and Russia.
Since 2005, the US and its allies, including America’s NATO partners and Israel, have been involved in the extensive deployment and stockpiling of advanced weapons systems. The air defense systems of the US, NATO member countries and Israel are fully integrated.
This is a coordinated endeavor of the Pentagon, NATO, Israel’s Defense Force (IDF), with the active military involvement of several non-NATO partner countries including the frontline Arab states (members of NATO’s Mediterranean Dialogue and the Istanbul Cooperation Initiative), Saudi Arabia, Japan, South Korea, India, Indonesia, Singapore, Australia, among others. (NATO consists of 28 NATO member states  Another 21 countries are members of the Euro-Atlantic Partnership Council (EAPC), The Mediterranean Dialogue and the Istanbul Cooperation Initiative include ten Arab countries plus Israel.)
The roles of Egypt, the Gulf states and Saudi Arabia (within the extended military alliance) is of particular relevance. Egypt controls the transit of war ships and oil tankers through the Suez Canal. Saudi Arabia and the Gulf States occupy the South Western coastlines of the Persian Gulf, the Straits of Hormuz and the Gulf of Oman. In early June, “Egypt reportedly allowed one Israeli and eleven U.S. ships to pass through the Suez Canal in ….an apparent signal to Iran. … On June 12, regional press outlets reported that the Saudis had granted Israel the right to fly over its airspace…” (Muriel Mirak Weissbach,  Israel’s Insane War on Iran Must Be Prevented., Global Research, July 31, 2010)
In post 9/11 military doctrine, this massive deployment of military hardware has been defined as part of the so-called  “Global War on Terrorism”, targeting “non-State” terrorist organizations including al Qaeda and so-called “State sponsors of terrorism”,. including Iran, Syria, Lebanon, Sudan.
The setting up of new US military bases, the stockpiling of advanced weapons systems including tactical nuclear weapons, etc. were implemented as part of the pre-emptive defensive military doctrine under the umbrella of the “Global War on Terrorism”.
War and the Economic Crisis
The broader implications of a US-NATO Israel attack on Iran are far-reaching. The war and the economic crisis are intimately related. The war economy is financed by Wall Street, which stands as the creditor of the US administration. The US weapons producers are the recipients of the US Department of Defense multibillion dollar procurement contracts for advanced weapons systems. In turn, “the battle for oil” in the Middle East and Central Asia directly serves the interests of the Anglo-American oil giants.
The US and its allies are “beating the drums of war” at the height of a Worldwide economic depression, not to mention the most serious environmental catastrophe in World history. In a bitter twist, one of the major players (BP) on the Middle East Central Asia geopolitical chessboard, formerly known as the Anglo-Persian Oil Company, is the instigator of the ecological disaster in the Gulf of Mexico.
Media Disinformation
Public opinion, swayed by media hype is tacitly supportive, indifferent or ignorant as to the likely impacts of what is upheld as an ad hoc “punitive” operation directed against Iran’s nuclear facilities rather than an all out war. War preparations include the deployment of  US and Israeli produced nuclear weapons. In this context, the devastating consequences of a nuclear war are either trivialised or simply not mentioned.
The “real crisis” threatening humanity, according to the media and the governments, is not war but global warming. The media will fabricate a crisis where there is no crisis: ”a global scare” — the H1N1 global pandemic– but nobody seems to fear a US sponsored nuclear war. 
The war on Iran is presented to public opinion as an issue among others. It is not viewed as a threat to “Mother Earth” as in the case of global warming. It is not front-page news. The fact that an attack on Iran could lead to escalation and potentially unleash a “global war” is not a matter of concern. 
The Cult of Killing and Destruction
The global killing machine is also sustained by an imbedded cult of killing and destruction which pervades Hollywood movies, not to mention the prime time war and crime TV series on network television. This cult of killing is endorsed by the CIA and the Pentagon which also support (finance) Hollywood productions as an instrument of war propaganda:

“Ex-CIA agent Bob Baer told us, “There’s a symbiosis between the CIA and Hollywood” and revealed that former CIA director George Tenet is currently, “out in Hollywood, talking to studios.” (Matthew Alford and Robbie Graham, Lights, Camera… Covert Action: The Deep Politics of Hollywood, Global Research, January 31, 2009).

The killing machine is deployed at a global level, within the framework of the unified combat command structure. It is routinely upheld by the institutions of government, the corporate media and the mandarins and intellectuals of the New World Order in Washington’s think tanks and strategic studies research institutes, as an unquestioned instrument of peace and global prosperity.
A culture of killing and violence has become imbedded in human consciousness.
War is broadly accepted as part of a societal process: The Homeland needs to be “defended” and protected.
“Legitimized violence” and extrajudicial killings directed against “terrorists” are upheld in western democracies, as necessary instruments of national security.
A “humanitarian war” is upheld by the so-called international community. It is not condemned as a criminal act. Its main architects are rewarded for their contributions to world peace.
With regard to Iran, what is unfolding is the outright legitimization of war in the name of an illusive notion of global security.
A “Pre-emptive” Aerial attack directed against Iran would lead to Escalation
At present there are three separate Middle East Central Asia war theaters: Iraq, Af-Pak, and Palestine.
Were Iran to be the object of a “pre-emptive” aerial attack by allied forces, the entire region, from the Eastern Mediterranean to China’s Western frontier with Afghanistan and Pakistan, would flare up, leading us potentially into a World War III scenario.
The war would also extend into Lebanon and Syria.
It is highly unlikely that the bombings, if they were to be implemented, would be circumscribed to Iran’s nuclear facilities as claimed by US-NATO official statements. What is more probable is an all out air attack on both military and civilian infrastructure, transport systems, factories, public buildings.