| Acronym | Meaning |
| TWP | Technical Working Paper |
| SSGN | Nuclear-Powered Guided Missile Submarine (US Navy Hull Classification) |
| ABIN | Ag?ncia Brasileira De Intelig?ncia (Brazilian Intelligence Agency) |
| MSI | Micro-Star International -Multispectral Imagery |
| CMB | Cosmic Microwave Background |
| ETI | Extra-Terrestrial Intelligence |
| IPO | Initial Public Offering |
| RPG | (US-CA) Regional Planning Group - Report Program Generator - Rocket Projectile Gun - Rocket-Propelled Grenade - Role-Playing Game |
| ZANU | PF -Zimbabwe African National Union - Patriotic Front |
| JFTX | Joint Field Training Exercise |