Download or read book Training Circular Tc 3-22.91 Fm 3-22.91 Mortar Fire Direction Procedures, May 2017 written by United States Government Us Army and published by Createspace Independent Publishing Platform. This book was released on 2017-05-30 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Training Circular TC 3-22.91 ( FM 3-22.91) Mortar Fire Direction Procedures May 2017 Training Circular (TC) 3-22.91 provides guidance for military occupational specialty (MOS) 11C Soldiers and their trainers on the employment of the 60-mm mortar (M224), 81-mm mortar (M252), and 120-mm mortar (M120/M121). It discusses the practical applications of ballistics and a system combining the principles, techniques, and procedures essential to the delivery of timely and accurate mortar fire. (Refer to TC 3-22.90 for information about mechanical training, crew drills, and the characteristics, components, and technical data of each mortar.)