Parts reliability and data rights are creating significant obstacles to Joint Strike Fighter sustainment, the Government Accountability Office writes in a new report . Cary Russell, the report's author, told Inside Defense in an interview that maintainers are struggling to troubleshoot F-35 part problems because they do not have access to all of the technical data. For instance, he said, maintainers typically identify an issue and send the problematic part off to a JSF depot. However, the depot often...