> Every attempt to replace it has been (or will be) retired before its EOL. Though that's probably because it's design is basically "big, boxy, utilitarian sky

> Every attempt to replace it has been (or will be) retired before its EOL. Though that's probably because it's design is basically "big, boxy, utilitarian sky truck," which is so flexible you can always find something to use it for. Everything else seems to make tradeoffs for some flashy capability, which don't age as well.