美国国务院批准向乌克兰出售价值1.8亿美元的空中防御维持系统。

Group 1 - The U.S. State Department has approved the sale of air defense maintenance systems to Ukraine, valued at $180 million [1] - This sale is part of ongoing military support to Ukraine amid its conflict with Russia [1] - The approval reflects the U.S. commitment to enhancing Ukraine's defense capabilities [1] Group 2 - The air defense systems are expected to bolster Ukraine's ability to protect its airspace [1] - This transaction is indicative of the broader geopolitical dynamics and military alliances in the region [1] - The sale is part of a series of military aid packages provided by the U.S. to Ukraine [1]