Fire Support: Range Corrections - Bracketing 

There are four techniques that can be used to conduct area adjustment fires. Successive bracketing is best when observers are inexperienced or when precise adjustment is required, such as precision registrations and destruction missions. It mathematically ensures that fire for effect rounds will be within 50 meters of the target. Hasty bracketing is best when responsive fires are required and the observer is experienced in the adjustment of fire. One-round adjustment provides the most responsive fires but generally requires either an experienced observer or an observer equipped with a laser range finder. Creeping fire is used in danger close missions. This video focuses on successive bracketing.
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