What does OS-21 mean?

OS-21 means Observing System - 21st Century

This acronym/slang usually belongs to Government & Military category.
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What is the abbreviation for Observing System - 21st Century?

2 ways to abbreviate Observing System - 21st Century
Observing System - 21st Century can be abbreviated as OS-21
Other shorthands for Observing System - 21st Century are: OS21
What does OS-21 mean? It stands for Observing System - 21st Century
What does OS-21 mean? - Definition of OS-21 - OS-21 stands for Observing System - 21st Century. By AcronymsAndSlang.com
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Most popular questions people look for before coming to this page

Q:
A: 		What does OS-21 stand for?
OS-21 stands for "Observing System - 21st Century".
Q:
A: 		How to abbreviate "Observing System - 21st Century"?
"Observing System - 21st Century" can be abbreviated as OS-21.
Q:
A: 		What is the meaning of OS-21 abbreviation?
The meaning of OS-21 abbreviation is "Observing System - 21st Century".
Q:
A: 		What is OS-21 abbreviation?
One of the definitions of OS-21 is "Observing System - 21st Century".
Q:
A: 		What does OS-21 mean?
OS-21 as abbreviation means "Observing System - 21st Century".
Q:
A: 		What is shorthand of Observing System - 21st Century?
The most common shorthand of "Observing System - 21st Century" is OS-21.

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