 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.It doubled in size by early spring 1999 after engineers were added for support, and the 2nd Brigade, 1st Infantry Division was alerted for deployment in early June.