A. P. Herbert - The Buzz Bomb Boys

Fire away, Fritz,
But look over your shoulder;
Fire away, Fritz,
For you won't grow much older.
Blow us to bits,
But your feet will be colder.
Down in those pits
Your carcass will moulder.
Fire away, Fritz,
But look over your shoulder.
August 27, 1944

A. P. Herbert

http://www.poemhunter.com/poem/the-buzz-bomb-boys/