sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Highly Eccentric Orbit Satellite | *** |
| Highly Elliptical Orbit Systems | ** |
| High Earth Orbiting Satellite | ** |
| Highly Eccentric Orbiting Satellite | * |
| High Earth Orbit Surveillance | * |
| Highly Elliptic Orbit Satellite | * |
| Hotel Equipment and Operating Supplies | * |