Commando Comic #1509: 'Deadly Secret' (1981)
 
"Rob Armfield a Jap Spy? Rubbish! Why, he's been shooting Zeroes out of the sky like clay pigeons. It can't be true!'
 
That's how Rob's mates reacted to the idea, but according to a certain brigadier-general it was true and he wouldn't lie, would he? Not unless he had good reason. . . a very secret reason.