Rabbit hole started here: https://www.reddit.com/r/aliens/comments/4ppr4n/my_father_was_a_weapon_system_engineer_and/
So I was like "okay, google Skunkworks"
https://en.wikipedia.org/wiki/Skunk_Works
and moved onto the linked video above.
In case you're here for GTA map of spaceship parts, here you go too: