Unofficially, nobody really minded the clap. It was a joke to those who had never had it and to those who had been over it for a while. No worse than a bad cold, they said. Apparently the only time it was not a joke was when you had it. And instead of hurting your unofficial reputation it boosted you a notch, it was like getting a wound stripe. They said that in Nicaragua they used to give out Purple Hearts.
But officially it hurt your Service Record, and it automatically lost you your rating. On your papers it put a stigma on you. When he put in to get back in the Bugle Corps, he found that while he was away they had suddenly gone over-strength. He went back on straight duty for the rest of his enlistment.

From Here to Eternity (1951)