On the 50th anniversary of the first steps on the moon, four bladesmiths compete to recreate a space-age M-1 NASA Survival Knife out of ball bearings. See more in Season 4, Episode 21, "Astronaut Knife."
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"Forged in Fire" features world-class bladesmiths competing against each other to create some of history's most iconic edged weapons.
In Forged in Fire, world-class bladesmiths re-create historical edged weapons in a cutthroat competition. Learn more: https://www.history.com/shows/forged-in-fire