General Staff Officer geostationary orbit Geostationary Satellite Orbit general services officer General Services Organisation Graduate Student Organization Ground Safety Officer Ground Support Office Ground Support Operations Ground Systems and Operations Ground Systems Operations Gulf Standardization Organization Gadolinium Silicate General Service Office General Service Officer General Services Office General Specifications for Overhaul of… general spin orbital General Surface Oxidation Geo Synchronous Orbit GeoSynchronous earth Orbit Geo-Synchronous Orbit Geosynchronous Service Orbit Glandular sensory organ Global Software Outsourcing Global System Option goods and services on order Government Service Organization Graduate School of Oceanography Graduate Service Overseas
General Staff Officer