The Pentagon has blocked the public release of a congressionally mandated annual report on the costly and controversial F-35 fighter jet programme for the first time in more than 20 years. The non-partisan Government Accountability Office (GAO) said Defence Department officials concluded its yearly assessment of the US$1.6 trillion programme contained Controlled Unclassified Information (CUI) – which meant none of the report could be released to the public. The report has offered a key window...