To commemorate the 80th anniversary of D-Day, we're releasing three special episodes to tell the full story of the longest day.

This third part is a brand new episode looking beyond the beaches.

The Beaches. I'm going to be. I'm going to be.

The From the home of the codebreakers and the birthplace of modern computing, this is the Bletchley Park podcast.

Welcome to this special episode of the Bletchley Park podcast.

D-Day 80, Part 3, Block D to Boccage.

Bletchley Park made a vital contribution to the planning and preparation of D-Day,

but the landings were only the beginning.

There would be another three months of hard fighting in Normandy before the German forces finally cracked and France

could be liberated. Ultra-intelligence from Bletchley Park gave crucial support to Allied commanders

throughout the battle, but knowledge rarely translated directly into action.

Those generals and airmen faced with the mammoth task of orchestrating a modern

all-arms battle had to balance numerous competing priorities of which intelligence was rarely

the most important. In this episode, Research Officer, Dr Thomas Cheatham,

has delved into the detail of five turning points

to explore exactly how,

and how far,

Bletchley Park contributed to Allied victory

in the Battle of Normandy.

Many thanks to Joel Desbra

for playing the part of our RAF SLU officer. Back in the English Channel, great convoys of troops and reinforcements continued to move toward the beaches of Normandy.

The beachhead already had expanded to 50 miles,

...