Douvres-la-Délivrande Radar Station

A few kilometres inland from the sands of Juno Beach, in flat farming country between the coast and Caen, the Germans built one of the most important radar stations on the whole invasion front. Its crews called it Distelfink - "goldfinch" - and for eleven days after the landings it sat behind Allied lines like a splinter that refused to work loose, a self-contained fortress that had to be reduced almost as an afterthought while the real battle moved south.

The electronic frontier

Completed in the autumn of 1943, the station was not a gun battery but a set of eyes. It sprawled across two strongpoints on either side of the country road running from Douvres towards Bény-sur-Mer, ringed with wire, mines and concrete. Inside stood a cluster of antennas: a towering long-range Wassermann set that could reportedly detect aircraft hundreds of kilometres out, two medium-range Freya arrays, and two of the great dish-shaped Würzburg-Riese sets used to track individual aircraft. Roughly 230 Luftwaffe technicians, controllers and engineers ran it, buried in a warren of command, generator and quarters bunkers. It was, in effect, part of Germany's early-warning nervous system for the Channel - which made it a priority target on the first morning.

Eleven days behind the line

At dawn on 6 June, naval gunfire tore the antennas apart, blinding the station within hours. But the concrete beneath survived, and the garrison - reinforced by German troops falling back off Juno and Sword - simply went underground and kept fighting. The 3rd Canadian Infantry Division pushed past it inland; an early attempt by the North Shore Regiment to rush the position was thrown back, and the Allies settled for sealing it off and waiting.

The defenders held out in the hope of a relief that never came. A parachute resupply on 14 June drifted down into the arms of the besiegers instead. Finally, on the afternoon of 17 June, the reckoning arrived: No. 41 (Royal Marine) Commando went in behind a heavy bombardment and the specialist armour of the 79th Armoured Division - the flail tanks of the 22nd Dragoons beating paths through the minefields, and Churchill AVREs blasting the bunker embrasures at point-blank range. The garrison, dazed and exhausted after eleven days of shelling, gave up quickly; more than two hundred men marched out into captivity, at a cost of only a handful of Allied casualties.

What to see today

The site is now the Station Radar 44 museum, and it remains unmistakably a battlefield rather than a manicured park. Approach along the same country road that once split the two strongpoints and you are walking the ground the Marines crossed. The heart of the visit is a great steel Würzburg-Riese dish - one of very few of these radars left anywhere in the world, and the only one on public display in France - its curved reflector a startling piece of 1940s engineering.

The main exhibition is set inside a genuine command bunker, entered by descending into the earth as its operators once did; look for the original blast doors, the cramped concrete rooms, and the maps that place little Douvres within the vast sweep of the Atlantic Wall. Around the grounds, walk the wider complex: a personnel bunker still shows its machine-gun embrasures and a small Tobruk position, and a separate power bunker once fed current to the whole array. Take time to read the ground itself - the scars, the blast marks, the way the bunkers face inland as well as out. This was a fight decided not on a beach but in the fields behind it, and the site tells that quieter, stranger story better than almost anywhere else in Normandy.

Practical notes

The site stands out in open fields on the road between Douvres-la-Délivrande and Bény-sur-Mer, a few minutes inland from the coast, and is signed as Station Radar 44. The entrance and its gravel car park are on one side of the road, with the second strongpoint in the fields opposite; visits are ticketed. Allow an hour and a half, since the bunker exhibition takes most of that and the outdoor circuit needs a good half hour on top.

The grounds are flat but they are grass and gravel rather than made path, exposed to the wind and heavy going after rain. The radar dish and the outdoor works are reachable with a pushchair on a dry day. The command bunker is not: it is entered down a steep flight of steps into narrow corridors with high sills and low ceilings, and there is no alternative way in. Take a layer, because the concrete stays cold whatever the weather above.

Since this was a fight in the fields behind the beaches rather than on them, it pairs naturally with the other inland strongpoint on this flank, Hillman Fortress, which held up the advance on Caen in much the same way. For the beach half of the story, Bernières-sur-Mer is ten minutes north.