Additionally, during World War II, Operation Quicksilver was an attempt to mislead the Germans as to the location of the D-Day invasion using dummy military equipment.Obsolete and disarmed by World War II, she spent two years in the Mediterranean fitted with wooden guns, to make British naval forces in the area seem stronger than they were.During the late Cold War, East German S-200 surface-to-air missile sites employed decommissioned and modified PRV-9 height finding radars as decoys to confuse NATO electronic signals intelligence gathering operations.[5] During the Kosovo War, NATO claimed to have destroyed over 100 Serbian tanks and 200 armored personnel carriers using expensive precision-guided munitions, while various estimates place that number much lower.[6][7] In Russia, a former hot air balloon factory has continued in the 2010s to make dummy tanks, aircraft, missile launch pads, radar stations, and rocket launchers.