an_alien

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realistic rocket v2

an_alien 0 comments

realistic rocket

an_alien 0 comments

uranium reactor v2

an_alien 1 comments

Nuclear Jet

an_alien 3 comments

one hell of a nuke v2

an_alien 0 comments

basic plutonium reactor

an_alien 4 comments

Proxima B base

an_alien 0 comments

Antimatter engine

an_alien 1 comments

Bomb of doom

an_alien 0 comments

one hell of a nuke

an_alien 0 comments

Fusion power plant

an_alien 0 comments

fusion reactor 3.0

an_alien 2 comments