What is the fine-grained topic of the following text: The paratroopers of the 173rd Airborne Brigade, U.S. Army Southern European Task Force (Air-borne), parachuted into northern Iraq to seize the airfield at Bashur and within 25 minutes put a thousand soldiers on the ground in order to deter Iraqi aggression against Kurds and factional fighting in Northern Iraq. Only return the topic.
173rd Airborne Brigade's parachute operation in Northern Iraq