The following article is newsworthy, not just for the newness of the equipment, but mainly for the cost involved.
https://www.thefiscaltimes.com/Articles/2013/10/31/Pentagon-s-15-Trillion-Jet-Punches-Back

Excerpt from article:
Why can’t government contractors who are paid big bucks for big projects like the Obamacare website do the job right?
The F-35 fighter jet, which is expected to cost the Pentagon some $1.5 trillion over 55 years, has been ridiculed for a laundry list of problems. It has difficulties making some of the maneuvers required in a dogfight. It’s been grounded multiple times for engine troubles. It runs hot, making it difficult for the planes to operate in warm environments.