If 3 is a Nuclear Triad what's a 4?... FACT: America's F-35 Stealth Fighter Could Deliver Nuclear Weapons Nuclear

Speaking of the Helmet Mounted Display System, which uses cameras allowing Lightning pilots to “see through” their own plane, that is due to be modified for lower weight and will also allow pilots to “look” directly behind them without having to turn fully around.

https://nationalinterest.org/blog/buzz/fact-americas-f-35-stealth-fighter-could-deliver-nuclear-weapons-84906