Wow! I never realized that a bar of soup could have so many uses.
Keeping your weapons clean was already a difficult thing to do in the conditions you described. I could just imagine that things would be worst when the typhoon season comes.
You learned how to do things the hard way. Those on the front for quite some time must've looked quite different from the those fresh from basic. What was the first thing you think a new guy on the front should learn in order to increase his chances of staying reasonably intact?