Very unlikely. Ideally you want your adversaries to be so afraid of how capable your new weapons system is that it acts as a strong deterrent. Not only that,

Very unlikely. Ideally you want your adversaries to be so afraid of how capable your new weapons system is that it acts as a strong deterrent. Not only that, but a large component of the Joint Strike Fighter program was selling it to allied militaries. It would be silly to trash the aircraft publicly if you want a dozen other nations to buy it.