| A.A. | anti-air (defenses) |
| A.I. | artificial intelligence |
| ALCA | Advanced Laser-line Communications Array |
| AMU | Army of the Martial Union |
| ASDF | Alban Self-Defense Forces |
| AUS | Australia |
| CA | California |
| CSC | Combined Service Chiefs |
| DESS | Directorate of Extraterrestrial Space Settlements |
| DPO | Department of Peacekeeping Operations |
| DZ | Drop Zone |
| ECC | Emergency Control Center |
| EEF | Earth Expeditionary Force |
| ESS | Europan Secret Service |
| GCI | Ganymedean Counterintelligence |
| GF | Guyane / French Guiana |
| GNI | Gendarmerie Internationale |
| HLV | Heavy-lift Launch Vehicle |
| HEO | High Earth Orbit |
| HMO | High Mars Orbit |
| HQ | Headquarters |
| HUMIT | Human Intelligence |
| ICBM | Intercontinental Ballistic Missile |
| L1-L5 | Lagrange points 1-5, specifically those of the Terresphere; also expressed as L1 – L5 |
| LCO | Lasercom operator |
| LZ | Landing Zone |
| PKB | Peacekeeping Base |
| PKF | Peacekeeping Forces |
| PKDC | Peacekeeping Corps of Dragoons |
| PKFF | Peacekeeping Field Forces |
| PKSF | Peacekeeping Space Forces |
| PKSFFC / PKSFC | Peacekeeping Space Forces Flight Corps / Peacekeeping Space Flight Corps |
| SEL-# | Sun-Earth Lagrange points 1-5; also expressed, SEL1 – SEL5 |
| SFB | Space Forces Base |
| SFS | Space Forces Station |
| SJL-# | Sun-Jupiter Lagrange points 1-5; also expressed, SJL1 – SJL5 |
| SOI | sphere of (gravitational) influence |
| STRECOM | Strategic Resources Command |
| STO | surface-to-orbit |
| TRON | Tactical Reconnaissance/Observation Network |
