The unidentified fighter jets briefly appeared in The Cham-Cham. They were responsible for shooting down the first three RTL-2 aircraft. They have strange oval shaped markings on their sides.
- Two of these fighters were repainted and reused as the Middle Eastern Air Force fighters in the Andersons' later series "Joe 90".
A squadron of the Unidentified Fighters (The Cham-Cham)
Three of the fighters standing by for take-off
The three fighters taking off
The fighters repainted for use in the "Joe 90" episode "King for a Day"