TV drama ‘Close to the Enemy’ by writer-director Stephen Poliakoff, which is currently being aired on BBC2, is a cat-and-mouse story set in Britain at a pivotal time around the end of World War Two.

British intelligence officer Captain Callum Ferguson (Jim Sturgess) is trying to convince German engineer Dieter (August Diehl) to work for the British RAF on urgently developing the jet engine.

Dieter is reluctant, keen to go back to his German home, and Ferguson’s department is under pressure from the War Crimes Unit, which is interested in some of the Germans under the government’s charge.

The story is based on the real-life work of the Allies under the US Operation Paperclip and the British Operation T-Force. The two groups detained Nazi German scientists, physicists and engineers, along with weapons and any other technology, including whole test centres, they could find.

The Allies believed, somewhat wrongly, that Nazi technological capabilities were greater than theirs. They were concerned these technologies would become pivotal in the encroaching Cold War with the Soviet Union.

This belief overrode any possible moral questions that could be posed about working with the enemy.

Wernher von Braun, rocket scientist

A member of the Nazi party and the paramilitary Schutzstaffel (SS), Wernher von Braun headed the development team of the V2 – the world’s first long-range ballistic missile – in World War Two.

The V2 was a liquid propellant missile extending 14 metres in length and weighing 12,500kg. It could be flown at speeds in excess of 5,000km/h and delivered a 1,000kg warhead to a target 320km away.

It is now known the rocket was built using concentration-camp labour, and it is unlikely von Braun wouldn’t have been aware of this at the time.

In early 1945, it became clear to von Braun that Germany was going to lose the war. Thinking strategically, he engineered the surrender of 500 of his top rocket scientists, along with plans and test vehicles, to the Americans, before the Allied capture of the V2 rocket complex.

In 1969, after a successful career with Nasa, he watched one of his rockets, the Saturn V, a direct descendent of the V2, take the Apollo 11 crew to the Moon.

Werner Heisenberg, nuclear physicist

Nobel Prize winner Werner Heisenberg was tasked with building a nuclear bomb for the Nazis during World War Two.

Although he failed, Heisenberg would later claim he deliberately stalled his research in order to delay the Nazi’s access to a nuclear bomb. This story has been widely discredited by historians who suggest it is more likely Heisenberg and his team were unable to create a nuclear bomb in sufficient time and with a limited supply of raw materials.

Heisenberg thought the Germans were much further advanced in their nuclear development than the Allies. Therefore, as he sat in Farm Hall in Cambridgeshire after being detained by the British in 1945, and the news reached him of a nuclear bomb being dropped on Japan, it is likely he received it with both shock and disbelief.

In fact, the Allies learnt very little from the Nazi nuclear programme.

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