The problem with the argument there FB is that an Amazon Distribuition Centre, or a Vehicle Recovery and Examination Centre would be subject to normal planning applications and the local poulation would have the ability to object.
Both would be far more acceptable than 1500+ single males, of unkown origin, wandering around your garden.
There was mention that the HO would be able to develope MOD land without ANY discussion with the locals and no need to follow usual planning rules.