The Naval Information Warfare Systems Command (NAVWAR), in support of Program Executive Office Command, Control, Communications, Computers, and Intelligence (PEO C4I), Navy Command and Control Program... The Naval Information Warfare Systems Command (NAVWAR), in support of Program Executive Office Command, Control, Communications, Computers, and Intelligence (PEO C4I), Navy Command and Control Program Office (PMW 150) has a requirement for a follow-on In-Service Support (ISS) contract on behalf of the North Atlantic Treaty Organization (NATO) Improved Link Eleven (NILE) Nations (Canada, France, Germany, Italy, Spain, United Kingdom, and United States of America).