In a small fire, a V-shaped burn mark may pinpoint where a fire began, but during post-flashover these patterns can occur repeatedly, when various objects ignite.

NEWYORKER: Trial by Fire

The case is Standard Fire Insurance Co. v.

NPR: High Court Rules For Insurer In Class-Action Suit

But against all the odds, on the 16 July 1969, just 30 months after the fatal fire - the first Saturn V rocket attempting to carry men from the surface of one world to another rose into the Florida sky.

BBC: The magic of Apollo

The good news is: The V-22 program did a nice job of live fire testing...being shot at.

CENTERFORSECURITYPOLICY: V-22: A discussion on the way ahead

But a V-shaped pattern by one of the doors suggested that the fire had originated elsewhere.

NEWYORKER: Trial by Fire

There was also a V-shaped pattern by the living-room doorway, far from where the fire had started on the couch.

NEWYORKER: Trial by Fire

From the seemingly insurmountable problems of getting each stage of the Saturn V to work, to the challenges of making the Command Module safe following the fire that killed the first Apollo astronauts, even the engineers would have told you at times that they didn't think it could be done.

BBC: The magic of Apollo