The sniper must be an expert in:
1. The construction of loopholes by day and by night.
2. The use of telescopic sights, field glasses, periscopes and all optical contrivances designed for observation purposes.
3. The selection of good positions for sniping.
4. Judging distances and estimating or measuring ranges.
5. Rifle firing. He should be an expert rifleman in order that full advantage may be taken of the opportunities to inflict losses on the enemy.
6. In trench warfare each pair of snipers will be required to report each evening to the company commander the result of their day's operations.
What to Fire At
When the enemy makes his attack you will generally fire at those who appear in the sector that has been allotted to you to cover. You may, however, abandon your target on your own initiative under the following circumstances and fire: