Speaking after a meeting of the Ukraine Defense Contact Group, Austin was responding to a question about whether Ukraine could use U.S.-supplied air defense systems to strike Russian warplanes attacking Kharkiv from above Russian territory. “We expect them to continue using the provided weapons on targets in Ukraine,” Austin said. At the same time, he noted that in the case of Russian airstrikes on Kharkiv, “the air [dimension] dynamics are slightly different,” but declined to “speculate” on the matter. Read also: Ukraine’s use of Western arms purely defensive, President Zelenskyy states On Ma…