The US Army Signal School apprenticeship program for the trade of radio operator.
Contributors: U.S. Army Signal School.
Series: DA pam 621 ; 94; DA pam -- 621-94.
Publisher: Dept. of Defense, Dept. of the Army, Headquarters
Published: 1977
Place of publication: [Washington]
Language: eng
Subjects: Radio operators -- Handbooks, manuals, etc.; Apprentices -- United States.
Notes: November 1977.