The purpose of this manual is to orient Soldiers to the functions and descriptions of hand grenades and pyrotechnic signals. It also provides a guide for the proper handling and throwing of hand grenades and pyrotechnic signals, suggests methods and techniques for the tactical employment of hand grenades and pyrotechnic signals, and provides a guide for leaders conducting hand grenade and pyrotechnic signal training.This manual is organized to lead the trainer through the material needed to conduct training during initial entry training (IET) and unit sustainment training. Preliminary subjects include discussion on the hand grenade andpyrotechnic signal's capabilities, mechanical training, and the fundamentals and principles of employing hand grenades and pyrotechnic signals. Live-fire applications are scheduled after the Soldier has demonstrated preliminary skills.This manual was revised to include references to new materiel. This revision includes-- Improvements that were made to hand grenades (addition of the confidence clip) and the M106 white smoke hand grenade.- Warnings against taping grenades to Soldier's gear.- Removal of the M8 smoke.- Removal of the word "training" from the M83 white smoke, which will replace the M8 for tactical and training use.- Changes to the hand grenade qualification scorecard.This publication prescribes DA Form 3517-R (Hand Grenade Qualification Scorecard).