When building state-of-the-art defence technology, the difference between getting it right and getting it wrong can literally be a matter of life and death. This is the pointy end of heavy manufacturing, where a vehicles devastating offensive capabilities must be balanced with the safety of personnel on board. Enter the factories that make these terrifying machines and see what it takes to create Military Might. Featuring three episodes on Apache helicopters, Abrams tanks and Eurofighter jets.
National Geographic - Megafactories - Military Might