As the Pathfinder crews train, they are called upon to attack vital U-Boat pens.

A joint operation with British commandos brings unforeseen complications.

A hazardous, low level mission against a Navy base brings the threat of heavy casualties.

After being shot down, a bomber crew desperately tries to evade capture.

The RAF Bomber Command men are much less than impressed to discover that they are flying with a bible-hugging 'Jonah' joining their crew...despised as very bad luck.

Flight Officer Stanton, a tough and demanding ace, is stretched to his limits as he has to fly his Lancaster back home from a mission without any crew.

Two spies are dropped into enemy occupied Netherlands, to prepare for a bombing raid on German radar sites.

Bad weather makes bombing raids on Germany impossible. Scientists are under pressure to come up with a navigational aid.

A small boy assists the crew of a Lancaster bomber in their attempts to delay the devastating German fighters.

A Lancaster crashes in the heart of Nazi Germany - with top secret technology on board.

A badly damaged Lancaster limps back to base - with a live bomb jammed in its bomb bay.

The son of a famous RAF Air Marshall refuse to fly Pathfinder missions, prompting accusations of cowardice.