This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
AWM P.. No Wing RAF The aircraft tally board was probably in the briefing room or mess of the base and appears to consist of chalk marks on wall rather than special board It is dated to The squadrons listed are No Squadron Australian Flying Corps AFC No Squadron RAF No Squadron AFC No Squadron RAF No Squadron RAF No Squadron