 These units were deployed to Camp Able Sentry in Macedonia on that day, and were sent into Kosovo under Operation Joint Guardian, the NATO peacekeeping force in Kosovo, on 11 June.However, planning for the TF had started months before its creation, in the winter of 1998–1999.It was named Task Force Falcon to complement Task Force Eagle, the name for the NATO peacekeeping force in Bosnia, and initially included around 3,500 United States troops.