Wednesday, September 18, 2019
M252 81mm Mortar :: essays research papers
M252 81mm Mortar INTRODUCTION: Good morning, my name is your name and my period of instruction is on the M252 81mm Mortar. We will cover some basic mortar knowledge including nomenclatures, rates of fire, and weight. We will also cover the mission of an 81mm mortar platoon and how that platoon is configured. The purpose of this period of instruction is to provide you with basic information and working knowledge of the 81mm mortar. LEARNING OBJECTIVES:      a. TERMINAL LEARNING OBJECTIVE: To familiarize you with the main                components and characteristics of the 81mm mortar.      b. ENABLING LEARNING OBJECTIVES:           a. State the three main components of the mortar and their nomenclature.           b. State the weights of the three main components of the mortar.           c. State the maximum range of an 81mm mortar. METHOD / MEDIA: I will use the lecture method and the mortar you see in front of you. There will be no posttest after this period of instruction. Are there any questions about your learning objectives or the method and media? TRANSITION: Now if there are no questions for me let’s get into the nuts and bolts of this period of instruction. BODY:      MISSION:      The 81mm mortar platoon is commonly called the battalion           commander’s hip pocket artillery. It is called this because 81’s are foot                mobile, are on target faster, and more accurate than artillery. The                     mission of the 81mm mortar platoon is to provide continuous indirect                fire support to the infantry battalion and it’s subordinate elements in the                offense and defense.           CHARACTERISTICS: The M252 81mm mortar is a smooth bore, muzzle loaded, high angle of fire weapon. Smooth bore meaning it has no lands and grooves like a rifle barrel. Muzzle loaded, because you insert a round into the muzzle of the cannon, allowing gravity to pull the round down, striking the firing pin. High angle of fire because it is capable of firing from within defilade, over hills, and other obstructions. COMPONENTS: The M252 81mm mortar consists of three main components, and a dovetail slot sight. They are: M253 Cannon (barrel): The M253 cannon consists of the barrel, sealed at the lower end with a removable breech plug that houses a removable firing pin. At the muzzle end is a cone-shaped Blast Attenuator Device (BAD) that is fitted to reduce noise.           M177 Mount (bipod): The M177 mount is composed of 3 main assemblies. They are: the leg assembly, the traversing gear assembly, and the barrel clamp assembly.
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