Pearl Harbor Naval Shipyard & IMF intends to award a sole-source, firm-fixed-price purchase order to Keysight Technologies Inc. for as-needed repair and calibration of five Keysight N9918A RF Microwave Analyzers. The agency states that only Keysight can meet the requirement due to proprietary engineering data, software, and specialized testing protocols. A solicitation will be issued to the intended source after the notice expires. Responsible sources may submit a capability statement, proposal, or quotation demonstrating their ability to meet strict technical and safety requirements, including access to OEM proprietary data. Submissions must be sent electronically to the identified Contracting Specialist and Contracting Officer for consideration.