ISBN 178266453X books & textbook
Mortar Platoon Collective Task Publication: The Official U.S. Army Training Circular Tc 3-21.90 (August 2013)
Headquarters Department of the Army Us Army Training and Doctrine Command Maneuver Center of Excellence
Military Bookshop /2013-08-02 Paperback / 234 Pages
isbn-10: 178266453X / isbn-13: 9781782664536
