More than 30 years later I found a book called “Angle of Attack” by Harrison Storms. Storms had kept quite for decades, but now he was dying of cancer and didn't care. Everything was laid out with dates, times, names, pictures, copies of correspondence, and so forth.
Even that many years after the event it was still incredibly difficult to read. Bottom line: none of the stuff in the capsule had squat to do with with happened. Almost everything burns in a 15.5 psi pure oxygen environment. NASA had known the ‘plugs out test’ (the only time the capsule was pressurized to the level) was dangerous as hell, but it saved weight and expense. North American considered NASA to be one of their best customers, and fell on their sword to keep the heat off NASA. The space shuttle contract was their reward. It was entirely a calculated gamble by NASA, and on this occasion they lost.
History has not been kind to Storms; his being the engineer in charge of the CSM program at NAA put him right in the crosshairs.
According to some, if Gus had lived, he would have been selected as the 1st to set foot on the Moon instead of Armstrong.