Failure of Patriot missile defense during the Gulf War Software Bug Stories

The Gulf War was a war fought by a United Nations-sanctioned coalition force of 34 countries, led by the United States, against the Iraqi Republic in response to Iraq's invasion and annexation of the State of Kuwait. One of the Patriot missiles located in Dharan (Saudi Arabia) failed to track and intercept an incoming Iraqi Scud missile. it was due to an inaccurate calculation of the time since boot due to computer arithmetic errors.