This was a problem with an entire generation of jet fighters, mentioning a selection of the most used ones here:
multiple US-designed fighters are described in the other two answers
Some of these had a later variant with builtin gun, some had the problem solved ...
Modern planes without cannons are the F-35B, F-35C, and the FA-18G. The F-35A has an inbuilt gun.
The two JSFs have an external pod with a cannon that they can carry by giving up something else.
The FA-18G growler loses the cannon so it can carry more computers to process signals.
The type of pods that could be carried on the JSF instead of a gun is a rear ...
Yes, at least three entered production
"Was there a fighter jet designed without cannons?" is a bit different from Why do fighter jets still have guns/cannons? which focuses on just the F-4. The obsession with missiles started a bit before the F-4.
During WW2 and the Cold War bombers got faster, flew higher, and carried increasingly destructive ...
There was a lot of rapidly changing technology in the B-29's guns during the lifetime of the aircraft, and hence a lot of change in nomenclature for different crew roles. It seems that EMG was used at the end of the war for "Electrical Mechanical Gunner", as seen in crew rosters such as the ones given here in spelled out form, and here in ...