English abbreviations from gcn to gctuc
- GCN(Gamma-ray burst Coordination Network)
- GCO(Ground Control Operator)
- GCOS(General Comprehensive Operating System)
- GCOVE(Georgia (State)Council of Vocational Education)
- GCP(Ghana Congress Party)
- GCPA(Georgia College Personnel Association)
- GCPP(Great Consolidated Popular Party)
- GCR((astrophysics terminology) Galactic Cosmic Rays)
- GCRA(Greene County Regional Airport)
- GCRI(General Collective Routing Indicator (RI))
- GCRWA(Gallia County Rural Water Association)
- GCS(Ground Control Station)
- GCSA(Ghana Civil Servants Association)
- GCSC(Global Contingency Service Contract)
- GCSE(General Certificate of Secondary Education (UK))
- GCSI(Gulf Coast Safety Institute)
- GCSS(Global Combat Support System)
- GCSS-J(Global Combat Support System - Joint)
- GCT(Grande Cadence de Tir (high rate of fire))
- GCTE(Georgia Council of Teachers of English)
- GCTI(Government Central Textile Institute (India))
- GCTN(Global Combating Terrorism Network)
- GCTUC(Gold Coast Trades Union Congress)
