About every two minutes a new ...

About every two minutes a new wave of planes would be over. The motors seemed to grind rather than roar, and to have an angry pulsation like a bee buzzing in blind fury.
 Ernie Pyle

Quotes from the same author

I love the infantry because they are the underdogs. They are the mud-rain-frost-and-wind boys. They have no comforts, and they even learn to live without the necessities. And in the end they are the guys that wars can't be won without.
 Ernie Pyle