| Acronym | Meaning |
 | ISO | International Standards Organization |
| E | Elliptical (for Galaxies) |
| DCX | Delta Clipper EXperimental |
| NORAD | NORth American Aerospace Defense |
| TIG | Time Of (until) Ignition |
| IOA | Institute Of Astronomy (Cambridge) |
| GPPF | Gravitational Plant Physiology Facility |
| VAB | Vehicle Assembly Building |
| VMF | Voenno-Morskoy Flot |
| OAO | Orbiting Astronomical Observatory |
Browse by Letter:
