The Vietnam War was a 30-year conflict in which three million people died and the reputations of successive US presidents were wrecked. Max Hastings tells Andrew Marr about the extraordinary political meddling, strategic failure and lack of compassion that characterises that war.

The historian Helen Parr was seven years old in 1982 when her uncle was killed in the Falklands War. She brings to life his experiences in the Parachute Regiment, often known as the Paras, an elite fighting force founded in 1940.

The former head of the British Army Richard Dannatt, looks at the present health of the military - and considers the difficulties that lie ahead.

While the Defence Editor of The Times newspaper, Deborah Haynes, scrutinises the defence budget and criticises the prevailing media and public narrative of the soldier as hero or victim.

Producer: Katy Hickman.