In a recent article for Forbes, pundit Loren Thompson brags of the success of the controversial F-35 and claims that the block 4 upgrades will make the troubled aircraft even better. The late world famous aircraft designer and originator Pierre Sprey, who made huge contributions to the successful design of the F-16 and A-10 - among other aircraft -- called it a "turkey" on Canadian TV in 2012 and said that it would lose against contemporary European fighters.