I was in the Army in the mid-80's, when most of the NCO's and officers were Vietnam vets. The critical importance of keeping your weapon clean was stressed beca

I was in the Army in the mid-80's, when most of the NCO's and officers were Vietnam vets. The critical importance of keeping your weapon clean was stressed because the M16 was prone to jam. The vets said the AK-47, on the other hand, could be dropped in the mud and still keep on firing.