At my last Air Force Station in southern Italy, all E-4s and below had to pull KP for five days at a crack, usually when the flight was on mids. While I showered after every KP shift, I (and a lot of other guys) wore the same set of fatigues every day. On day five, I could whistle and my fatigues would come walking over to me
I had a hospitalman in the Navy who liked to show up to work 12hr shifts on the wards at Naval Hospital Jacksonville, FL, without taking a bath. After several complaints from patients, my CPO and I had a heart to heart talk with the guy. He agreed to bathe, and went on to do so, every day thereafter...
...Until he went to Fleet Marine Force (FMF) training with a Marine rifle company. Many nights they spent in barracks, so there was no excuse to not bathe. However, I guess he decided to revert to form.
The Marines were none too pleased, and proceeded to essentially keel haul his ass with soap and water.
When he returned to NH Jacksonville, he bathed EVERY day ....