Lockheed Martin F-35 Lightning II fighter pogramme in crisis: rising costs, TR-3 delays and engine modernisation failures
After years of uninterrupted cost growth and mounting implementation problems, the programme to modernise the avionics of Lockheed Martin F-35 Lightning II fighter aircraft to the TR-3/Block 4 standard has already exceeded its planned budget by more than six billion US dollars and is five years behind schedule.













