Barely worth mentioning, but it occurred to me that if everybody thinks so, it will never be found. Crates that look like a normal crate with a sideways tilted crate on top of it do not allow you to loot the crate to the left of it(just look in the vault tec enterprises area of the core, top left room of the core). Also, a lot of cars in the core are not reachable due to some placing problem or blocker hex. Barely noteworthy, as I said, don't want to seem ridiculously picky, just doing my job as a beta tester and voicing all problems I find