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KUWAIT CITY, KUWAIT - DECEMBER 13: Czech soldiers in chemical protection suits prepare a simulated victim of a chemical attack for decontamination during a response drill conducted at the U.S. Embassy by civil defense authorities and troops from the United States, Germany, and Czech Republic December 13, 2002 in Kuwait City, Kuwait. The exercise, dubbed "Event Horizon," was staged to test the coordinated emergency response to a mock attack on the U.S. Embassy in Kuwait by terrorists using deadly sarin nerve gas. (Photo by Scott Nelson/Getty Images)

KUWAIT CITY, KUWAIT - DECEMBER 13:  Czech soldiers in chemical protection suits prepare a simulated victim of a chemical attack for decontamination  during a response drill conducted at the U.S. Embassy by civil defense authorities and troops from the United States, Germany, and Czech Republic December 13, 2002 in Kuwait City, Kuwait. The exercise, dubbed "Event Horizon," was staged to test the coordinated emergency response to a mock attack on the U.S. Embassy in Kuwait by terrorists using deadly sarin nerve gas.  (Photo by Scott Nelson/Getty Images)