Ukrainian soldier stands near an armored personnel carrier at a checkpoint near the village of Salkovo, in Kherson region adjacent to Crimea. The words on his arm translate as: ‘If you want peace, prepare for war’. Viktor Gurniak/Reuters

Ukrainian soldier stands near an armored personnel carrier at a checkpoint near the village of Salkovo, in Kherson region adjacent to Crimea. The words on his arm translate as: ‘If you want peace, prepare for war’. Viktor Gurniak/Reuters