Radarman was a rating in the U.S. Navy and the U.S. Coast Guard during, and after, World War II.
Once assigned to a ship or shore station, the radarman was required to operate and maintain the installed radar and electronic warfare equipment.
Radarmen were specially trained in emergency repair procedures, as their assigned vessels went into combat areas.
The United States Coast Guard Radarman specialized training took place at the RD "A" school located at the Governors Island New York, These men and women could serve on a variety of assignments including large Coast Guard Ships and Vessel Traffic Services.
The school was later moved to United States Coast Guard Training Center Yorktown Virginia where is stayed until 2003.