It is now May 2019. That means we’ve had five years of the ongoing war in eastern Ukraine, undeclared by Russia and hybrid by nature. The war has already led to the deaths of 13,000 Ukrainians, and it continues to claim Ukrainian military and civilian lives almost every day, undermining the international security order, the sovereignty, territorial integrity, and economic and political stability of Ukraine, while using the occupied territories of the Donbas as testing grounds for new Russian military systems and platforms.