I think I found the perfect video Anology

[Packerton]

for the Uboat warefare in the battle of the atlantic.

http://www.youtube.com/watch?v=2bRUD7nxK2g

Early years: everythings going great.

Later: you will see :rotfl:

[Jimbuna]

Tennis ? :hmm:

[Packerton]

The whole Backfire part fits in :rotfl:

[Jimbuna]

Ah!!....gotcha :know: