Given what they were being fed, I was quite surprised these dogs didn’t turn on their handlers and eat them instead! Rather than that, though, the narration adopts the persona of these mutts as they undertake some brutal and onerous training so that they are as immune to the effects of war as it’s possible to be. That’s handy because the plan is to ship them off to the Far East theatre of the Second World War where they can be used to sniff out snipers hiding in the dense undergrowth - hopefully saving many a soldier’s life. It’s all fairly standard wartime fayre that I think could have worked ...