What does USOS stand for?
USOS stands for "United States On-orbit Segment"
How to abbreviate "United States On-orbit Segment"?
"United States On-orbit Segment" can be abbreviated as USOS
What is the meaning of USOS abbreviation?
The meaning of USOS abbreviation is "United States On-orbit Segment"
What does USOS mean?
USOS as abbreviation means "United States On-orbit Segment"
