Ian McCallum spotted this one:
“W.A.A.F. TECHNICIANS SERVE WITH THE R.A.F. FILM PRODUCTION UNIT : FOR STORY SEE CH.14171A
Original wartime caption: Picture (issued 1944) shows - The film arrives. It has been rushed at great speed from an airfield many miles away. At hand, awaiting the film, is LACW Bores, of Brentwood, Essex, assistant in charge of Film Despatch Department of the R.A.F. F.P.U. She takes the film immediately to the laboratories.“
Source:
https://www.iwm.org.uk/collections/i...ject/205453486