Technological synergy is one of the most important strategies to reduce the technological gap between recent countries and technology leaders, which in this The process of later countries can reduce their distance from leaders by imitation, leap and investment. Defense industry The country has developed the technological capabilities required by its various departments during the technological transformation process, which as a result It has reduced the existing technological gap and increased the country's competitiveness in the field of defense. Success in this regard Technology in the defense industry requires the use of specialized manpower. Along this line, the role of specialized manpower in Technological approach of marine industries of the country's defense sector has been identified and explained in the present study. current study In terms of purpose, exploratory and how to do it is qualitative. Data from interviews with academic experts and the defense industry department and in style Content analysis is done using MAXQDA software. Findings show five main factors of "learning "Technology", "Knowledge Base", "Development and Implementation of Indigenous Development Model", "Innovation Systems and Networks" and "Human Capital" as Significant dimensions of the role of manpower in the technological success of the maritime defense sector are significant.