It may surprise you to discover that we military drones have emotions, goals, families, and hobbies. Occasionally we're also programmed to chuckle, snort, and guffaw to fool the unsuspecting into thinking we're actually real humans.
Speaking of senses of humor ... I think the OP merely asked a question, and wasn't questioning the feasibility of the phenomenon.
Now 'Military Intelligence' is another thing entirely ... ;)
True story: I once had someone from England joke with me "military intelligence -- bit of an oxymoron!" I retorted "so is Great Britain" and we both had a good laugh. :)
I'm picturing a drill sergeant doing drill on this and barking out orders: "Laugh"! "Chuckle"!