for anyone looking for #nsecbunker vids or intros ... this is a pretty decent 101 video ... nostr:npub1m8ku9p5y3wxkrzep3mkfh2rng3km65c6et65cf09pjc6yjz3a58s9qeuuj gives all sorts of insights in this vid.

https://www.youtube.com/watch?v=kT6_3qCCayg