I can't comment on the veracity of anything reported here but it might be of interest to some.
"A test pilot has some very, very bad news about the F-35 Joint Strike Fighter. The pricey new stealth jet can’t turn or climb fast enough to hit an enemy plane during a dogfight or to dodge the enemy’s own gunfire, the pilot reported following a day of mock air battles back in January."
More here:
https://medium.com/war-is-boring/tes...eid=bbff1c7303