0 the process of getting information about enemy forces or positions by sending out small groups of soldiers or by using aircraft, etc.:
1 the process of obtaining information about enemy forces or positions by sending out small groups of soldiers or by using aircraft:
Recent advances include greater emphasis on experiments at optical wavelengths, and the construction of a new radio telescope that is deliberately designed for such reconnaissance.
It is also expected to perform important reconnaissance work, map the terrain, take aerial photographs, and work as a weather balloon.
A more extensive set of age determinations than the reconnaissance results is required to provide a chronometric framework for continuing geological studies of the island.
In recent years, a number of standard procedures have been developed for reconnaissance field surveying in the framework of environmental legislation.
The second activity was a reconnaissance survey to identify locations where upland rice was grown.
A novel teleoperated robot with unique communications capabilities for use in underground mine safety and reconnaissance missions is also presented.
Attempts were made to conduct air reconnaissance but bad weather prevented any further progress.
Ground reconnaissance and sometimes excavation are required to separate the cultural from the natural features.