FCS/BCT unmanned aerial vehicles was a collection of unmanned aerial vehicles developed under the jurisdiction of the Future Combat Systems (FCS) program until it was dissolved and succeeded by the BCT Modernization program. The Class II and Class III UAVs were canceled in May 2007. The XM157 UAV was canceled when FCS was dissolved in June 2009. The final aircraft, the XM156, was canceled in February 2010 when the E-IBCT component of the BCT Modernization program was dissolved.