What does STO stand for?
STO stands for "Surface-to-Orbit"
How to abbreviate "Surface-to-Orbit"?
"Surface-to-Orbit" can be abbreviated as STO
What is the meaning of STO abbreviation?
The meaning of STO abbreviation is "Surface-to-Orbit"
What does STO mean?
STO as abbreviation means "Surface-to-Orbit"
