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1
What does
XXI
stand for?
What does
XXI
mean? We have
3
definitions. Read most used
XXI
meanings below.
Category:
All acronyms (14)
Airports & Locations (3)
Government & Military (5)
AT XXI
— Army Training for the Twenty-First Century
AIM XXI
— Abrams Integrated Management for the Twenty-First Century
ADS XXI
— Army Development System XXI
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