Series 1

Britain's iconic and secretive engineering companies reveal how they build the world's most amazing machines

Last on

Britain's Secret Engineers

3/3 Workers at British defence contractor QinetiQ reveal some of their secretive projects.

Fri 9 Mar 2012 02:20 BBC Four

See all previous episodes from How to Build...

BBC © 2013 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.