Two documents - the Integrated Review of Security, and the Defence Command paper - mark a change in tact for UK security.
They map out investments in new defence technology, a National Cyber Force and a downsizing of the armed forces.
Will the British Army now be fit for 21st century combat?
On the Sky News Daily podcast, host Dermot Murnaghan speaks to our defence correspondent Alistair Bunkall as he takes us through the main developments for UK security policy. Plus, former specialist advisor and Professor of War Studies Michael Clarke describes what the future of warfare will look like.