The MOD faces a number of challenges following decisions made in the Integrated Review: the likelihood of a capability gap, as equipment is retired before its replacement is introduced; a reduction in the British Army’s heavy armour and mass at a time when tank battles are raging in Ukraine; and a reliance on not yet tested, let alone proven, technology, to counteract that reduction in equipment and numbers. There are also valid questions about whether the resources allocated to the task of moving the UK Armed Forces into the information age are adequate—a 60 The Integrated Review, Defence in a Competitive Age and the Defence and Security Industrial Strategy number of our witnesses seem to believe not.