Francisco ( 7000 tons ) , Colorado ( 5 , 000 tons ) , Buffalo ( 5 , 500 tons ) , Martcllo ( 5 , 000 tong ) , Rindoo ( 5 , 500 tons ) , Galileo ( 4 , 000 tons ) , Apollo ( 5 , 000 tons ) , CIlicago ( 4 ,000