Did something happen that made this currently relevant, or was it referenced in another source recently? It's interesting enough, but I can't tell if there's some subtext that I'm missing.
Command and Control (the book, I haven't seen the documentary) has a number of stories way way way scarier than this one.
Imagine an ICBM, with warhead, in a missile silo in Arkansas, massively and rapidly leaking oxidizer, the pressure for which in part provides foundation for the weight of the rest of the rocket above that tank; if it gets to a certain low pressure point, it crushes under the weight above, and then fuel and oxidizer combine, ignite, and now you've got a warhead involved in the ensuing conflagration.
I really think we've been incredibly lucky with nuclear weapons, and comparatively unlucky with nuclear power plants. Not that I have a problem with that.
I remember when I was kid a convoy with a Pershing missile had an accident close to where I lived and there was a big fire. Nothing happened but it was pretty scary.
There's a mountain bike trail in Camp Tamarancho named "B-17" after the crash. Though there is supposedly extant remains of a different crash on the slopes of Mt. Tam, I haven't personally seen them.
From downtown Mill Valley, drive up Summit until it ends. That's the start of the Temelpa trail. You can take that trail all the way up to east peak summit (some amazing views along the way, highly recommended) but if you divert at Sitting Bull rock onto the Vic Haun trail, the trail to the crash site is a bit before the creek.
https://en.wikipedia.org/wiki/List_of_military_nuclear_accid...
I'm not sure why this alleged one is particularly noteworthy.