Which preposition to use with bomber

in Occurrences 3%

But the set battles in the air, squadron with squadron, man with man, the bombers in the centre, the fighting machines surrounding and protecting them, are becoming more wonderful, more daring, more complicated every month.

of Occurrences 1%

After this the bombers of Number Three Platoon would bomb their way across the Square and up the Strand.

to Occurrences 1%

There go the bombers to the center, and our place you said was on the left, tailing the whole bunch.

Which preposition to use with  bomber