The role of Sultan Armed Forces in defending this country during peace and war requires engineering support. From here, comes the idea of establishing Engineering Services in 1959. It takes the responsibility of supervision over constructions, SAF facilities and it maintenance, and provision of fundamental services such as electricity, water, AC, sewage treatment as well as uncombat engineering support.
To achieve utmost quality level when fulfilling MODES various tasks at all SAF camps and bases in general, MODES has been divided into basic sectors (Northern Sector, Southern Sector, Central Sector, Muscat Sector). Moreover, each sector is divided into sub units in order to deliver fundamental services and supervise infrastructure at all camps and bases. In addition, MODES provides civil community services, when required, across the Sultanate.