- "Six missiles coming from the left! Missile one is heading for Great Fox! "
- —ROB 64
Copperhead Missiles are heavy anti-capital ship missiles employed by the Venomian Army during the Lylat Wars. Originating from the industrial planet of Macbeth, Copperheads were heavily ray-shielded and warp-capable weapons that could heavily damage large warships.
Copperheads were used during the Battle of Sector Z in an attempt to destroy Great Fox. Despite the missiles being escorted by the new Invader III Fighters, the Star Fox Team succeeded in destroying all six Copperheads used in the attack and save Great Fox from sustaining heavy damage.
During the Macbeth Campaign, one of the cars that Fox finds and destroys is a fuel car that is carrying a Copperhead Missile. As the Train was heading for a supply depot, this may imply that it was delivering the Missiles to be launched.
NINTENDO POWER Star Fox 64: Official Nintendo Player's Guide. Redmond, WA, Nintendo of America. 1997.