I don't see that many jokes about blonde men. This one is from my southern friend, Beef...
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A tail gunner, who happened to be blonde, was being court-martialed.

"What did you hear in your headset?" demanded a superior officer.

"Well," replied the airman. "I heard my squadron leader holler, 'Enemy planes at 5 o’clock!'"

"What action did you take?" persisted another officer.

"Why, sir," replied the gunner, "I just sat back and waited. It was only 4:30."