As the world becomes more uncertain and the UK rethinks its approach to defence, we've launched the Sky News Defence Insider app to give subscribers exclusive access to insights and analysis, put your questions directly to the experts and get special access to live events.

As listeners of The Wargame, we thought you might be interested.

Click HERE to sign up.

3 month free trial for new customers. Cancel before trial ends to avoid charges. After free trial, subscription auto-renews at standard charges (currently £14.99 per month / £134.99 per year). Cancel anytime effective from next billing date.