The Department acknowledged that UK stocks were not sufficient even before gifts to Ukraine.59 A recent Royal United Services Institute report stated that at the height of fighting in the Donbas, Russia was using more ammunition in two days than the UK held in total.60 The Department told us that the Ukraine war has shown that its principle of buying munitions and capability in batches is no longer the right approach. It intends to shift to having supply chains with continuous production which can be quickly increased when required, for example in times of war.61