Lots of great entries on this one, as usual.
.
Runners up are:
Traffic -- It's why they call it the "Phoney War" sir. The operator shouts "Bang!" into the mouthpiece, and the machine does the rest.
Nutloose -- Ok, moving on to the woodwind section.
MPN 11 – “Yes, these propaganda loudspeakers will show Goebels how it should be done!”
But for making a clever pun that taught me something at the same time, the CapCom trophy goes to -- (loud) fanfare please – Wensleydale for: Early in the development of radar, Japan invented the "Travelling Wave Tuba".
Take it away!