 The shipment seems doomed until Penelope, in the guise of Wanda Lamour, appears on stage and sings a lyrical version, devised by Brains, containing a new set of coded instructions.Decoding the broadcast, the personnel at the enemy air base unwittingly direct their fighters to overfly Maxwell Field.Arriving in "Thunderbird 1", Scott (voiced by Shane Rimmer) alerts the commander and USAF fighters are launched to shoot down the hostiles.