One of the reasons for the PR silence could be that the Dutch election--where the troubled and expensive F-35 is an inflammatory issue--is only 4 weeks away.
It is unclear why this historical moment for the Royal Air Force is not noised data. The manufacturer Lockheed Martin normally consults with a client, press releases, believed to be from The Hague that the preference was given to wait a press release, taking into account the reaction of Lockheed Martin told the press: "We will need to refer you the Netherlands Ministry of Defence office for specifics surrounding the first flight of the Dutch F-35. "