What does USNO stand for?
USNO stands for "U S Navel Observatory"
How to abbreviate "U S Navel Observatory"?
"U S Navel Observatory" can be abbreviated as USNO
What is the meaning of USNO abbreviation?
The meaning of USNO abbreviation is "U S Navel Observatory"
What does USNO mean?
USNO as abbreviation means "U S Navel Observatory"
