When I was in college (1970), we had an Air Force ROTC wing on campus. The brass from McChord AFB would come and watch the reviews held outside by the field house.
A stoned out hippie classmate of mine would dress in a large rabbit costume, get some carrots, and watch the review as well. Much to the annoyance of the AF brass.
Straight out of "Animal House"!
Why would they care? It doesn’t seem like an insult to me. It seems like one of the more benign things a hippie ever did
“We’re looking for a bunny like you in the air Force’