The Russian offensive towards Kharkiv has once again raised the issue of defending Ukraine’s second-largest city. It is anticipated that Patriot systems could strengthen its air defense component, and this is being discussed at the highest levels. The material by RBC-Ukraine discusses how many systems are needed, whether they will secure the skies over Kharkiv, and what problems need to be addressed. Sources: statements from President Volodymyr Zelenskyy, US Secretary of State Antony Blinken, Western partners, and Ukrainian officials, as well as comments from experts Ihor Romanenko and Oleksan…