How do you get special 1 colour for black widow on ace combat x skies of deception?

To get the special 1 color for the black widow is to play on normal or higher on mission 12b ,when the third round of ships apear you can destroy the air craft cerrir or shoot down the f-35s on the cerirr and it should apear south on the map.Note you have to do this before the f-35 take off.