Sources Sought DEPT OF DEFENSE DEPT OF THE AIR FORCE is conducting market research to identify potential sources for the repair of B-1 ALQ-161 Line Replaceable Units (LRUs) and Shop Replaceable Units (SRUs). The repair data, expertise, capabilities, and experience are required to meet qualification requirements for this procurement. The B-1 ALQ-161 LRUs and SRUs are used in the maintenance and repair of equipment measuring tools.