The Air Force Research Laboratory is soliciting white papers under this Broad Agency Announcement (BAA) for research, development, integration, test and evaluation of technologies/techniques to establish trusted foundations for hardware and software that enables secure, resilient and affordable Command, Control, Communications, Computers, and Intelligence (C4I) and Cyber technologies (C4I and Cyber Technologies) information processing systems. The BAA is looking for innovative research in areas such as trusted, secure, and resilient computational systems, trusted and assured software, cyber physical systems, AI in trusted systems, and digital engineering model-based analysis. The total funding for this BAA is approximately $99.9M, with individual awards not normally exceeding 36 months and dollar amounts ranging from $100K to $5M. Some key points of interest include: • Problems and challenges with current processor designs for trustworthiness and their solutions • New computer architectures for secure and reliable computing • Operating System level constructs for trustworthy computing • Tools and methodologies for ensuring trustworthiness and security of the software development process • State-of-the-art software-based assurance designs • Cyber Physical Systems (CPS) and their tools, methodologies, and foundational science • AI in trusted systems, including capturing, learning, or annotating software intent and constraints • Digital engineering model-based analysis, including extraction of models from source code and binaries