What does HEO stand for?
HEO stands for "High Elevation Orbit"
How to abbreviate "High Elevation Orbit"?
"High Elevation Orbit" can be abbreviated as HEO
What is the meaning of HEO abbreviation?
The meaning of HEO abbreviation is "High Elevation Orbit"
What does HEO mean?
HEO as abbreviation means "High Elevation Orbit"
