A US Air Force C-141 was scheduled to leave Thule Air Base, Greenland at midnight. During the pilot's preflight check, he discovered that the aircraft's latrine holding tank was still full from the last flight. So a message was sent to the base, and an airman who was off duty is called out to take care of it. The young man finally got to the air base and made his way to the aircraft, only to find that the latrine pump truck had been left outdoors and was frozen solid, so he had to find another o…