 This myth was propaganda used by the Royal Air Force during the Second World War to explain why their pilots had improved success during night air battles, but was actually used to disguise advances in radar technology and the use of red lights on instrument panels.Nevertheless, the consumption of carrots was advocated in Britain at the time as part of a Dig for Victory campaign.A radio programme called "The Kitchen Front" encouraged people to grow, store and use carrots in various novel ways, including making carrot jam and Woolton pie, named after the Lord Woolton, the Minister for Food.