The US Army Transportation School apprenticeship program for the trade of helicopter mechanic.

Bibliographic Details
Corporate Author: United States. Department of the Army
Format: Government Document Book
Language:English
Published: Washington, DC : Headquarters, Dept. of the Army, [1981]
Series:DA pam ; 621-91.
Subjects:
Description
Item Description:"This pamphlet supersedes DA Pam 621-91, 11 October 1977."
"15 July 1981."
Physical Description:9 pages in various pagings ; 28 cm.