| Abbreviation | Definition |
|---|---|
| AGAR | Army Ground Accident Report |
| AGARD | Advisory Group on Aerospace Research and Development |
| AGB | Assault Gun Battalion |
| AGC | Adjutant Generals Corps |
| AGC | Amphibious Group Command |
| AGC | Army Geospatial Center |
| AGC | Automatic Gain Control |
| AGCCS | Army Global Command and Control System |
| AGCM | Army Good Conduct Medal |
| AGCT | Army General Classification Test |
| AGCW | Autonomous Guidance for Conventional Weapons |
| AGE | Aeronautical Ground Equipment |
| AGE | Army Advisory Group on Energy |
| AGE | Associated Ground Equipment |
| AGES | Air Ground Engagement System |
| AGF | Army Ground Forces |
| AGFA | Army Ground Forces Association |
| AGFB | Army Ground Forces Band |
| AGI | Advanced Geospatial Intelligence |
| AGI | Annual General Inspection |