Commando Comic #4892 'Break Through!' (2016)
 
Time and after time, one British company outsmarted the Germans in Crete. If the Nazis planned a sneak-raid and began it five miles away, the British knew at once - and were ready for them. If a Stuka dive-bombing attack was decided on, they got into hiding an hour before it began. They knew exactly when to counter‑attack too.

How was it done? If anyone had told the Germans, they just wouldn't have believed it. The secret lay in a strange invisible link between Private Bill Roberts and his twin brother, Jack...