Which answer describes a system for dispersing fog from an airfield so a WWII aircraft could land safely?

Great game, so much interesting info.

I admire the ingenious ideas our ancestors came up with in the face of adversity Bravo 👏🏻👏🏻

I would not like to be the designated "lighter" on a foggy day.

This system was used at Tangmere aerodrome in West Sussex. You can still see some of the pipe lines.

my dang fat fingers. I went to tap the investigation answer and hit the inquiry answer instead. wah wah wa