Ultra Rare Star Trek Spaceship USS Enterprise NCC-1701- Navy Chief Navy Pride Challenge Coin. USS Enterprise Navy Chief Navy Pride Star Trek The Final Frontier Challenge Coin. The product is a rare Star Trek-themed challenge coin featuring the USS Enterprise NCC-1701. Each challenge coin is numbered. This one has a very low number of #9 and was released on April 1st, 1993. This original 3.5 coin is a unique collectible for fans of military memorabilia and Star Trek enthusiasts. It is big, heavy and well made. Comes in its original display box as seen in the pictures. See pictures for more details.