The ongoing war between Ukraine and Russia has claimed another life — and this one is coming under a cloud of controversy. According to a report from CNN, a Ukrainian military source has told the outlet that a key pilot died while flying in an American-made F-16 aircraft. CNN further reported: “The Ukrainian Defense Forces do not believe pilot error was behind the incident, the source added.” That same source noted that the “crash is being investigated and international experts will be invited to participate in the probe.” A different report from the Associated Press, confirmed that “[o]ne of…