Sargeant Hawk marches onto the Game Boy Color with reporter Vikki Grimm (the Colonel's daughter), Scorch, and Riff right behind him. General Plastro's Tan Army is wreaking havoc once again, and it's up to Sarge and the Green Army forces to carry out 30 objectives including search and destroy, rescue, and defense missions. Each of the characters commands a favorite air, sea, or land vehicle, ranging from hang gliders and helicopters to jet skis and tanks.