The US Army Signal School apprenticeship program for the trade of control room technician (radio and television broadcasting).
Series: Department of the Army pamphlet -- 621-129.; DA pam -- 621-129.
Publisher: Headquarters, Dept. of the Army
Published: 1981
Place of publication: [Washington, DC]
Language: eng
Subjects: U.S. Army Signal School -- Curricula.; Apprentices -- United States.; Electronic technicians.
Notes: Cover title.

"This pamphlet supersedes DA pamphlet 621-129, 1 August 1978"--P. i.

"July 1981."