>An oil-rich dictatorship, Saudi Arabia is one of the UK’s closest military allies. [...] The cover-up comes while the Saudi-led coalition stands accused of conducting airstrikes on civilian targets in Yemen, including hospitals and weddings. According to the Yemen Data Project, at least 18,500 civilians have been killed or injured in airstrikes since the war began in 2015.

The military would naturally want to keep tactics and strategies secret. Also the title is hyperbolic as these were training exercises. But that raises the question "WHY-THE-HELL is Britain training the pilots of an aggressive, expansionist state?"