The Army Contracting Command intends to award a sole-source, five-year IDIQ contract to Collins Aerospace for C3 integration and engineering support on CH-47F helicopters, with a six-month option. The work involves integrating Collins Aerospace's proprietary avionics and architecture to enhance commonality with other CAAS platforms. The justification for non-competitive award is based on avoiding substantial cost duplication for the government. While this specific contract is not open for competition, all responsible sources are encouraged to seek approval to compete for future related solicitations. The performance period is five years with a potential six-month extension.