2 soldiers' deaths in Iraq raise doubts about MRAP vehicle

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The military has praised the vehicles for saving hundreds of lives, saying they could withstand the IEDs, or improvised explosive devices, which have been the biggest killers of Americans in Iraq. The Pentagon has set aside $5.4 billion to acquire 4,000 MRAPs at more than $1 million each, making the MRAP the Defense Department's third largest acquisition program, behind missile defense and the Joint Strike Fighter.
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