A-1 meaning

Alternative spelling of A1.
adjective
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(US, military, historical) Cox-Klemin A-1 Air Ambulance, never mass produced.
noun
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1
(US, military) Skyraider single engine general-purpose attack aircraft.
noun
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1
(US, military) Personnel section of an air force staff.
noun
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1
(military) Air personnel officer.
noun
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1
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noun
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Alternative form of A1.
adjective
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