TEHRAN, IRAN: Iranian troops march during a military parade 22 September 2005 in Tehran, marking the start of "Sacred Defence Week" -- the anniversary of the outbreak of a destructive eight-year war with Iraq in 1980. Iran's hardline President Mahmoud Ahmadinejad insisted in a speech on the occasion his country wanted peace but warned any nation considering attacking the Islamic republic faced a "destructive and fiery" response. On show were thousands of troops and a range of hardware including six of Iran's Shahab-3 ballistic missiles. AFP PHOTO/HENGHAMEH FAHIMI (Photo credit should read HENGHAMEH FAHIMI/AFP via Getty Images)
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AFP HENGHAMEH FAHIMI

TEHRAN, IRAN: Iranian navy troops march during a military parade 22 September 2005 in Tehran, marking the start of "Sacred Defence Week" -- the anniversary of the outbreak of a destructive eight-year war with Iraq in 1980. Iran's hardline President Mahmoud Ahmadinejad insisted in a speech on the occasion his country wanted peace but warned any nation considering attacking the Islamic republic faced a "destructive and fiery" response. On show were thousands of troops and a range of hardware including six of Iran's Shahab-3 ballistic missiles. AFP PHOTO/HENGHAMEH FAHIMI (Photo credit should read HENGHAMEH FAHIMI/AFP via Getty Images)
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AFP HENGHAMEH FAHIMI

TEHRAN, IRAN: Iranian riot policemen march during a military parade 22 September 2005 in Tehran, marking the start of "Sacred Defence Week" -- the anniversary of the outbreak of a destructive eight-year war with Iraq in 1980. Iran's hardline President Mahmoud Ahmadinejad insisted in a speech on the occasion his country wanted peace but warned any nation considering attacking the Islamic republic faced a "destructive and fiery" response. On show were thousands of troops and a range of hardware including six of Iran's Shahab-3 ballistic missiles. AFP PHOTO/HENGHAMEH FAHIMI (Photo credit should read HENGHAMEH FAHIMI/AFP via Getty Images)
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AFP HENGHAMEH FAHIMI

Iranian Revolutionary Guards march during the annual military parade marking the anniversary of Iran's war with Iraq (1980-88) in Tehran, on September 22, 2014. Iran is a cornerstone of stability in the Middle East in the face of the "terrorists" rocking the region, President Hassan Rouhani said before leaving for the United Nations. AFP PHOTO/ BEHROUZ MEHRI (Photo credit should read BEHROUZ MEHRI/AFP/Getty Images)
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AFP BEHROUZ MEHRI

Iranian soldiers from the Revolutionary Guards march march during the annual military parade marking the anniversary of the start of Iran's 1980-1988 war with Iraq, on September 22, 2015, in the capital Tehran. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images)
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AFP ATTA KENARE