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Purchase Order Change Number
in NASA
Purchase Order Change Notice
in NASA
129100129101
Similar to POCN
AAFM - Acoustic Atomic Force Microscopy
AAR - After Action Review
AARL - Aeronautical and Astronautical Research Laboratory
AAV - Air Admittance Valve
AAV - Aerospace Audio- Visual
ABA - Astronaut Boarding Aircraft
ABC - Active Body Control
View all in NASA