The Anti-Submarine Warfare (ASW) community requires a fully operational Command, Control, Communications, Computers, and Intelligence (C4I) architecture to significantly reduce time from sensor detection to defensive weapons release. The United States Navy has established programs of record leveraging space, terrestrial, and maritime communications capabilities extending to fiscal year 2015. An ordered systems engineering process was performed to derive requirements and identify Joint ASW C4I Architecture strengths and weaknesses. This architecture is dependent upon the ASW community’s ability to leverage current and planned technologies impacting C4I areas including common operational tactical picture delivery, data transmission rate, time latency, and data fusion processes. Performance forecasts for identified alternatives were modeled and simulated based on a synthesized operational scenario using the EXTEND simulation tool, and life cycle cost estimates were produced for each alternative. Based on those outcomes, one of the several alternatives is recommended for implementation. In addition, it was discovered that programmed C4I capabilities lack an integrated fielding plan and do not properly align in FY2020. Furthermore, the ASW community must make process changes to enable cross-program manager collaboration supported by a single system architect to ensure robust architectures are fielded by 2020.