Chinese "wu" shamans were spirit mediums who practiced divination, prayer, sacrifice, and rainmaking. Shamans also perform rainmaking ceremonies and can allegedly improve a hunter's ability to catch animals. The squadron also occasionally provided aircraft for CSIRO rainmaking experiments. In the United States, rainmaking was attempted by traveling showmen. Rainmaking is a weather modification ritual that attempts to invoke rain. Thailand started a rain-making project in the late-1950s, known today as the Royal Rainmaking Project. Rainmaking rituals are also important in many African cultures. Hatfield's fame only grew and he received more contracts for rainmaking. The program is run by the Department of Royal Rainmaking and Agricultural Aviation. Kume Island has a large repository of rainmaking spells. From 1910 to 1913, Post experimented with attempts at rainmaking. "Boast Father", and describes using Yinglong images in sympathetic magic for rainmaking. All rainmaking operations ceased on July 5, 1972. Inside the squadron, the rainmaking operations were code-named "Motorpool". The Thai Royal Rainmaking Project was initiated in 1995 by King Bhumibol Adulyadej.