The U.S. Army Ordnance Center and School apprenticeship program for the trade of machinist.
Series: Department of the Army pamphlet -- 621-68.; DA pam -- 621-68.
Publisher: Headquarters, Dept. of the Army
Published: 1981
Place of publication: Washington, DC
Language: eng
Subjects: US Army Ordnance Center and School -- Curricula.; Machinists -- United States.
Notes: "This pamphlet supersedes DA Pamphlet 621-68, 22 December 1976."

"15 July 1981."