| Abbreviation | Definition |
|---|---|
| GETS | Ground Equipment Test Set |
| GEU | Gyroscope Electronics Unit |
| GF | Gage Factor |
| GF&P | Gases, Fluids, and Propellants |
| GFA | Genetic Function Approximation |
| GFAE | Government-Furnished Aerospace Equipment |
| GFD | Government-Furnished Data |
| GFE | Government-Furnished Equipment |
| GFFC | Geophysical Fluid Flow Cell |
| GFGAS | Gradient Furnace for Get-Away Special canister |
| GFM | Government-Furnished Material |
| GFRM | Glass FiberReinforced Material |
| GFRM | Glass Fiber–Reinforced Material |
| GFRP | Glass FiberReinforced Polymer |
| GFRP | Glass Fiber–Reinforced Polymer |
| GFS | Government-Furnished Software |
| GG | Gas Generator |
| GG | Gravity Gradient |
| G-G | Ground-to-Ground |
| G-GPRF | Gradient General Purpose Rocket Furnace |