Meaning of USAAS | Babel Free
Definitions
Former name of USAAC (“United States Army Air Corps”) (now, USAF (“United States Air Force”)); Initialism of United States Army Air Service.
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.