<p>With Sir Keir Starmer just weeks away from leaving office, his government has finally released its long awaited Defence Investment Plan - but will it be enough to keep the UK safe? </p><p>On this episode of The Fourcast Indicators, Matt Frei and Mark Urban are joined by Channel 4&#39;s International Editor Lindsey Hilsum. </p><p>They discuss how the wars in Ukraine and the Middle East have &quot;completely changed&quot; the nature of warfare, how Britain is betting big on drones - and if Vladimir Putin might be at risk of lose his prized possession: Crimea. </p>