sentences:  As a result, after King Fahd's approval, President Bush deployed a significant amount of American military forces (up to 543,000 ground troops by the end of the operation) to protect Saudi Arabia from a possible Iraqi invasion; this operation was called Desert Shield.Furthermore, the U.S. sent additional troops in operation Desert Storm with nearly 100,000 Saudi troops sent by Fahad to form a US-Saudi army alliance, along with troops from other allied countries, to attack Iraqi troops in Kuwait and to stop further invasion.During Operation Desert Storm Iraqi troops were defeated within four days, causing the Iraqis to retreat back to Iraq.