Question: what was the codename for the persian gulf war
Answer: The Gulf War ( 2 August 1990 -- 28 February 1991 ) , codenamed Operation Desert Shield ( 2 August 1990 -- 17 January 1991 ) for operations leading to the buildup of troops and defense of Saudi Arabia and Operation Desert Storm ( 17 January 1991 -- 28 February 1991 ) in its combat phase , was a war waged by coalition forces from 35 nations led by the United States against Iraq in response to Iraq 's invasion and annexation of Kuwait .