Board Thread:Naruto Discussions/@comment-36950799-20180918174601/@comment-4080775-20180928173927

Obvious Sages can't breath in space, but they can gather Natural Energy and Natural Energy is the reason why shinobi can breath on the moon as it created a breathable atmosphere, as I mentioned earlier.... The Tenseigan Energy Vessel did this and it even allowed life within the moon to thrive, as they all died when it was destroyed. It was even described as a "Senjutsu Engine".

And traditional Lethal Jutsu use as elemental techniques can be quite useful for industrial uses, such as cutting metal and trees down, creating electricity, generating water in areas that need it, creating various earthen materials for industrial use with Earth Release. You have to think outside the box with jutsu sometimes. Basic fire techniques capable of exploding can be used in areas such as demolitions. Storm Release can be used to transmit energy and even information at light speed.

Keep an open mind as the possibilities are endless. Humanity is as advanced as it is now because individuals strive to do what others thought was impossible.