The Daring New Adventures of Supergirl #6

Brains, a member of the Gang, has managed to elude Supergirl and, while fleeing, discovers a secret operation which includes a giant robot that has attacked Chicago's O'Hare Airport. So it's up to Supergirl to save the day in "Battleground O'Hare." 

Written By:
Paul Kupperberg, Tamsyn O'Flynn
Pencils:
Carmine Infantino, Bob Oksner
Inks:
Bob Oksner
Cover By:
Gil Kane