Regarding using pure oxyge , NASA decided to continue use it after Apollo 1 fire. Apparently, to reduce weight: [0]. There were however other decisions to chang

Regarding using pure oxyge , NASA decided to continue use it after Apollo 1 fire. Apparently, to reduce weight: [0]. There were however other decisions to change materials used inside the capsule. [0] - https://www.popsci.com/why-did-nasa-still-use-pure-oxygen-after-apollo-1-fire/ https://www.popsci.com/why-did-nasa-still-use-pure-oxygen-af...