The sources, a group of ranking officers who wished to speak on condition of anonymity, said that the Air Force headquarters released an internal announcement on the military’s intranet server on April 11, instructing a complete prohibition on any device capable of voice recording and which does not permit third-party apps to control inherent functions, effective June 1, with iPhones cited as items subject to the ban.
Also
I’m surprised they weren’t already restricting most personal electronics in sensitive spaces. That’s pretty basic stuff