A moment in time caught for all time by RAF personnel from 540 Squadron.
The grid of research buildings shows very clearly to the east of the Ynyslas main street. Zoom in and you'll see more huts in amongst the pre-war bungalows.
In the top lefthand quarter of the image, you can see another of the rocket firing test tracks. This oneleads from what is now the Sea Rivers caravan parks westward into the dunes.