Is Strategic Bombers Like Aircraft Carriers?

strategic bombers can carry massive amounts of bombs. They are visible, slow moving targets and face great threats. In nations with good air ences can take out strategic bombers. The bto bomber is a stealth bomber. It's a very long range bomber. We can look at what range it has. But your other bombers, like the bevan bomber, et cetera, they are visible,. And they can be taken out with ar nation, with reasonably good defences. There will be counter measures that these aircraft have. Aircraft carriers are never used in contested environments. So what about these strategic bombers? Are they useful?