 They have since been deployed to support Operation Southern Watch, the patrolling of the Iraqi no-fly zones in Southern Iraq; Operation Provide Comfort in Turkey; in support of NATO operations in Bosnia, and recent air expeditionary force deployments.In 1994, two U.S. Army Sikorsky UH-60 Black Hawks were mistakenly downed by USAF F-15Cs in northern Iraq in a friendly-fire incident.USAF F-15Cs shot down four Yugoslav MiG-29s using AIM-120 and AIM-7 Radar guided missiles during NATO's 1999 intervention in Kosovo, Operation Allied Force.