(FILES) US Lieutenant logs his flight in front of an A-10 aircraft at the King Khaled military airport, near Dahran, 02 November 1990 during the Gulf war. Washington played down 05 January 2001 mounting European concern over use of depleted uranium shells in the Balkans and in the Gulf as the number of cancer cases growed among troops who served as peacekeepers in the region. Europe called 04 January 2001 for an urgent inquiry into NATO's use of the weapons and the suspected health risks. AFP PHOTO BOB PEARSON (Photo credit should read BOB PEARSON/AFP/Getty Images)