 October 1, 1999 – October 10, 2001 - During this period, 106 FSB and GRU operatives were killed.January 1, 2002 – December 31, 2002 - During the Chechen insurgency in 2002, 485 Russian soldiers were killed.October 1, 1999 – December 23, 2002 - During the initial invasion and the following Chechen Insurgency from 1999 to 2002, 1,614-1,822 Interior Ministry troops were killed.