An Egyptian military fighter jet and helicopter pass low over Tahrir Square on Jan. 30, 2011 in Cairo, Egypt. (Peter Macdiarmid/Getty Images)
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A column of Abrams tanks line the street as Egyptian demonstrators gather in Tahrir Square in Cairo, on Jan. 30, 2011, the sixth day of protests against Hosni Mubarak's regime. (Miguel Medina/Getty Images)
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Thousands of Egyptians gather in a mass protest against the Egyptian government in Tahrir Square during the late afternoon Jan. 30, 2011 in Cairo, Egypt. (Chris Hondros/Getty Images)
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A soldier stands along side demonstrators as they pray in Tahrir Square in central Cairo, on Jan. 30, 2011, as Egyptians take to the streets for the sixth day running calling for the resignation of their long term president, Hosni Mubarak. (Marco Longari/Getty Images)
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Egyptian demonstrators wave their national flag in Tahrir Square in central Cairo on Jan. 30, 2011, on the sixth day of mass protests across the country calling for the resignation of President Hosni Mubarak. (Marco Longari/Getty Images)
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The afternoon sun shines on a mass protest against the Egyptian government in Tahrir Square Jan. 30, 2011 in Cairo, Egypt. (Chris Hondros/Getty Images)
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A man stands on a platform as the sun sets on a mass protest in Tahrir Square Jan. 30, 2011 in Cairo, Egypt. (Chris Hondros/Getty Images)
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Egyptians shout and gesture at an Egyptian Army helicopter buzzing over Tahrir Square the afternoon of Jan. 30, 2011 in Cairo, Egypt. (Photo by Chris Hondros/Getty Images)
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Anti-government protesters conduct Islamic prayers in Tahrir Square at sundown Jan. 30, 2011 in Cairo, Egypt. (Chris Hondros/Getty Images)
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Opposition leader Mohamed ElBaradei arrives to speak to supporters in Tahrir Square on Jan. 30, 2011 in Cairo, Egypt. (Peter Macdiarmid/Getty Images)
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