| Acronym | Meaning |
 | OTHB | Over The Horizon Backscatter |
| ESO | European Southern Observatory |
| HTHL | Horizontal Takeoff Horizontal Landing |
| HLC | Heavy Lift Capability |
| STIS | Space Telescope Imaging Spectrometer |
| ISTS | Institute For Space And Terrestrial Science |
| SOFI | Spray-on Foam Insulation |
| USO | Ultra-Stable Oscillator |
| MPC | Minor Planets Circular |
| TRMM | Tropical Rainfall Measuring Mission |
Browse by Letter:
