The United States on July 23 announced the approval of $322 million in arms sales to bolster Ukraine's air defenses and its armored combat vehicles. The sale of HAWK air defense equipment and sustainment will cost up to $172 million, while Bradley Infantry Fighting Vehicle equipment and services will total up to $150 million, the US Defense Security Cooperation Agency (DSCA) said. The proposed HAWK equipment sale "will improve Ukraine's capability to meet current and future threats by further equipping it to conduct self-defense and regional security…