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Lesson 2

Practice Exercise

Note: The following exercises are study aids. Type your answer in the space provided below each question. When you have finished answering all the questions for this lesson, print this page and compare your answers with those given by following the link at the bottom of this page. Review the lesson as necessary.
1. Identify natural and cultural obstacles that may exist on the battlefield and describe their effects on military operations.
   
2. What are battlefield obstacles emplaced by military forces called, and how do they achieve their effects?
   
3. After performing a terrain analysis, the staff engineer has identified the locations of the principal mobility corridors and the trafficability, key terrain, fields of fire, and choke points within each mobility corridor. What other factors should the staff engineer consider concerning mobility corridors?
   
4. Analyze the water obstacle in the following figure (Figure PE 2-1). Can this obstacle be crossed by armored vehicles using self-bridging? Can it be crossed by armored and wheeled vehicles? What is its value as an obstacle?

Figure PE 2-1. Water obstacle
Figure PE 2-1. Water obstacle
   
5. A minefield placed on an advancing enemy force's most likely AA is what type of reinforcing obstacle? Why?
   
6. In the following figure (Figure PE 2-2), which cut (A, B, or C) will act as an expedient obstacle to tracked vehicles? Why?

Figure PE 2-2. Expedient tracked obstacles
Figure PE 2-2. Expedient tracked obstacles
   
Answer Key