In a special five-part competition, top bladesmiths from each branch of the U.S. military - Army, Air Force, Marines and Navy - compete to earn a spot representing their branch in a battle for our biggest prize ever: $50,000.

In Round Two of the Battle of the Branches Tournament, four airmen from the U.S. Air Force must forge a Bolo knife using the San Mai technique.

In the third round of the Battle of the Branches, four Marines are tasked with forging one of the most versatile, and iconic combat knives in history: the KA-BAR.

Round Four of the Battle of the Branches sets sail as four Naval officers must forge a multipurpose Naval Mark 3 Dive Knife with metal from a giant anchor chain.

In the final round of the Battle of the Branches the winning Soldier, Airman, Marine, and Sailor return to the forge for the ultimate showdown.

Four bladesmiths aim for the stars when they are tasked with forging fantasy blades from a meteorite. Forced to use the canister method, the smiths battle difficult forge welds.

Four bladesmiths fight fire with fire when they must dismantle a forge and use that steel to construct a blade. The competition gets heated as the smiths struggle to salvage enough material to create a San Mai billet.

Four bladesmiths face triple the challenges when they must forge a canister Damascus blade from three different steels using three separate cans.