Which of the following is a method for conducting a precision search?

The method of conducting a precision search that focuses on thorough coverage of a specific area is the parallel search. In this technique, the search area is divided into parallel lines or strips, and the searchers move along these lines in a systematic manner. This ensures that the entire area is searched without gaps, making it highly effective for locating objects or persons in a defined section. This method allows searchers to maintain a consistent distance from each other and ensures a uniform coverage pattern, which is crucial when searching for something specific in a confined area.

The other search methods mentioned, while useful in different scenarios, do not provide the same level of targeted coverage as the parallel method. For example, the expanding square method involves searching in an outward spiral pattern, which is more suited for broad areas rather than precision. Drifting and random searches focus on exploration without systematic coverage, which can lead to missed areas and reduce the chances of finding the target efficiently.