Pentagon officials said Tuesday a fierce sandstorm in Kuwait might have caused the fatal crash of an Army helicopter. The UH60 Black Hawk went down about 1 a.m. Tuesday Kuwait time some 30 miles northwest of Kuwait City, where night training exercises were under way. The Army says the cause of the crash is under investigation, but strong winds and blinding sand were reported in the area overnight. The Pentagon identified those killed Tuesday as Spc. Rodrigo Gonzalez-Garza, 26, of Texas; Chief Warrant Officer Timothy Moehling, 35, of Florida; Chief Warrant Officer John Smith, 32, of Nevada; and Spec. William...