NCC is so old.
How old is it?
NCC is so old that its Wikipedia page is correct again.
“the most recent challenge ended with a sectioned Cadenus transposition”
[This is at least the 21st National Cipher Challenge, depending on whether or not the Lockdown Edition counts. You can see the history in the BOSS section of the site. Nice to see that someone has updated Wikipedia, but it would be better not to post anything about the current challenge until it is over! Harry]