Not 50 years ago. See SLS for example. NASA is paying $146m PER engine (and the rocket has four, and fuel tanks, avionics , an upper stage, fairings, two solid

Not 50 years ago. See SLS for example. NASA is paying $146m PER engine (and the rocket has four, and fuel tanks, avionics , an upper stage, fairings, two solid rocket boosters ... ). An entire Falcon Heavy launch is <$100 million.