skos:altLabel | - 663 Polish Air Observation Post Squadron
- No. 663
- No. 663 (AOP) Squadron RAF
- No. 663 Artillery Observation Squadron
- No. 663 Polish Air Observation Post Squadron
- No. 663 Polish Artillery Observation Squadron
- No. 663 Polish squadron
- No.663 Sqn
- 663 Polski Szwadron Powietrznych Punktów Obserwacyjnych
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