Izvestia: the F-35 aircraft may be of particular interest in the friend or foe system 
elements in the wreckage of a fifth-generation British fighter with a short take-off and vertical landing F-35B Lightning II sunk in the Mediterranean Sea may represent the unit of recognition of the “friend or foe” system and weapons control equipment, military expert Dmitry Boltenkov told Izvestia.
The specialist called Russia a country that has the means to lift sunken objects from the bottom of the sea. The expert recalled that earlier the country had retrieved its carrier-based aircraft from the bottom of the Mediterranean Sea.
Boltenkov noted that the rival countries are interested in each other's military developments. “The relevant special services are always engaged in the extraction of samples of foreign military equipment. Including raised and sunken foreign weapons. There are known cases when representatives of the FRG took away our torpedoes during firing practice, ”the expert said.
In November, the British tabloid Daily Mirror wrote that the Royal Navy (Navy) of Great Britain participated in“ a race against the Russians “For the F-35B Lightning II aircraft recently lost in the Mediterranean.
The F-35B Lightning II fighter of the Royal Navy of Great Britain sank on the morning of November 17 in the Mediterranean Sea. The pilot managed to eject and was taken to the British aircraft carrier Queen Elizabeth. The incident occurred during a scheduled flight. The circumstances of the incident are being investigated.