At the Navy Link Celestial Naviation Trainer Operators and Maintenance School, Naval Air Station, Seattle, Washington. They are members of a group of 70 Specialists (Teacher) taking the ten-weeks' course at NAS Seattle and NAS Quonset Point, Rhode Island. In this photograph, Aviation Machinist's Mate 2nd Class Robert K. Rice provides instruction in celestial theory with a three-dimensional celestial sphere demonstrator. Students are (from left to right) Specialists (Teacher) 2nd Class Hilda Olson, Dorist Propst and Joanna Bailey. Information is from the original caption released with this photograph effective 23 July 1944. Official U.S. Navy Photograph, from the collections of the Naval History and Heritage Command.