The Department of Defense, through the Naval Information Warfare Center (NIWC) Pacific, is soliciting proposals for engineering services under the Reverse Engineering, Science, and Technology for Obsolescence, Restoration, and Evaluation (RESTORE) Laboratory. The procurement aims to provide comprehensive research, development, simulation, evaluation, and engineering services for manned and unmanned Command, Control, Communications, Computers, Combat Systems, Intelligence, Surveillance, and Reconnaissance (C5ISR) platforms, which are critical for national defense operations. This contract, classified under NAICS code 541330, has a size standard of $47 million and is set aside for 8(a) competed firms, emphasizing the importance of innovation and sustainment in C5ISR capabilities. Interested parties must submit questions by November 19, 2025, and proposals by December 15, 2025, with inquiries directed to Melissa Tell at melissa.k.tell.civ@us.navy.mil or Emily Green at emily.f.green.civ@us.navy.mil.