Scud is a Soviet made ballistic missile which Iraq used alot against Iran and American forces.The missile was originally designed to carry a 100-kiloton nuclear warhead or a 2,000 pound conventional warhead, with ranges from 100 to 180 miles.
The scud can be intercepted by a Mobile SAM like the Patriot.
Operation Desert Storm was when Iraq invaded Kuwait and Saddam called it:"The thirteenth province of Iraq". The U.S. Army drove back Saddam into his soil after 1991 (a few month's after the occupation). See also: Gulf War