Pinisi Discretion Review Volume 5, Issue 2, March 2022 Page. 231-240 ISSN (Print): 2580-1309 and ISSN (Online): 2580-1317 The Role of E–Supply Chain Management, E–Service Quality and E– Customer Relationship Management on Customer Satisfaction of Defense Industries I Putu Yogi Arsana 1 , Dwi Soediantono 2 , Siswanto 3 , Aris Setyo Radyawanto 4 1,2,3 Sekolah Staf dan Komando TNI Angkatan Laut, Indonesia. Email: putuyogi1981@gmail.com This is an open access article distributed under the Creative Commons Attribution License CC-BY-NC-4.0 ©2022 by author (https://creativecommons.org/licenses/by-nc/4.0/) ABSTRACT The purpose of this study was to determine the satisfaction of defense industries consumers, using the variables E - Service Quality, E - Supply Chain Management and E - Customer Relationship Management. The method used is descriptive quantitative research with a sample of 250 defense industries respondents. Data analysis using Structural Equation Modeling (SEM) with data processing tools SmartPLS 3.3.3. The results of the research show that simultaneously E - Service Quality, E - Supply Chain Management, and E - CRM have a significant effect on defense industries consumer satisfaction. It can be said that simultaneously E - Service Quality, E - Supply Chain Management, and E - CRM have a significant effect on customer satisfaction. Keywords: E – Supply Chain Management; E – CRM, Defense industries; E – Service Quality; Consumer Satisfaction; defense industries INTRODUCTION The defense industry of a country is closely related to the economic development of a country. The defense industry referred to here is an industry oriented to the production of tools for defense needs, which include the main weapon system (defense equipment) equipment, whether it is light weapons, heavy weapons, or combat vehicles, vehicles to support defense activities, as well as their maintenance and repairs. As a developing country that is constantly struggling with issues regarding education, health, poverty, and meeting the daily basic needs of its citizens, the issue of defense industry development has received less attention. Whereas the defense industry can also play a role in national development and the global economy. In addition to its function of supporting the national security system, such as monitoring a country's air traffic or preventing illegal fishing, the defense industry is also able to encourage economic growth. This is understandable considering that the more advanced the defense industry will automatically open up new jobs, encourage the growth of other industries because it has many multiple linkages from upstream to downstream, encourage the acceleration of technological progress, and reduce the amount of budget that is usually spent on importing various defense equipment from abroad. country. In the field of defense capability development, a strong defense industry is reflected in