Nat Geo HD

WWII was a war in the skies. Despite the Treaty of Versailles, Germany fostered air clubs to gain aerial supremacy. (S1, ep 2) 7+.

Hitler was famously against using chemical and biological weapons but chemistry and biological science still played a role in the Nazi's quest for power.

In April 1940, German battleships infiltrate Norwegian fjords in a bid to seize key ports and secure Hitler's supply of iron ore. 7+.

A fearsome new Nazi battleship, sets sail for the Atlantic with a mission to destroy Allied supply ships. 7+.

A look at the war strategy and catalogue of errors that led to the British sinking of the Bismarck, a wreck that killed more than 2,000 German soldiers in 1941. 7+.

Commercial flying is changed forever when investigators discover what caused Continental Airlines Flight 1713 to crash during heavy snow. (S17, ep 10) 7+.

The cockpit voice recorder raises disturbing questions when investigators examine the wreckage of Northwest Airlink Flight 5719's fatal crash.

Investigators come to a frightening realisation as they sort through the shattered wreckage of a commuter flight to Detroit. (S16, ep 2) 7+.

Investigators struggle to explain why PenAir 3296 failed to stop after landing at a famously tricky Alaskan airport - until they uncover the truth. (7 of 10) 7+.

The celebrity son of JFK disappeared along with his plane in 1999. Investigators found the wreckage, but what brought the aircraft down? (S13, ep 6) 7+.

Authorities suspect a terror attack when a plane explodes after taking off from JFK. The FBI joins investigators in their search for answers. (S16, ep 4) 7+.

How was Titanic wreck's discovery linked to the Cold War's darkest days? Learn about the clandestine operation that brought one of the great nautical mysteries to the surface. 7+.

Fall of a Favourite: From royal favourite to condemned rebel, the Earl of Essex's spectacular fall from grace is re-examined.

From perilous daylight raids over occupied Europe to the road to D-Day, discover how the B-17 Flying Fortress became a symbol of Allied air power and WWII victory. (S1, ep 7) 7+.

The Black Watch suffers devastating losses in Normandy, as a handful of survivors make a desperate stand against elite SS troops.