Helium Airships - Who Would Win?

The u. K, has just decided to start investing in helium airships again. The idea is that it slashes a lot of carbonus, cause we could use them instead of aeroplanes. It'll slash carbon used by 90 %. A prototype craft landed in 20 16 on its second test. But it is going to be great weto tat's om. Who would win? This is an open question. I in a conflict between an airship and a submarine, well, it depends where the conflict takes place. Fair play, let's say let's make it a neutral territory. Let's make it above wateroh, you know, you've got all, you