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a sector of land or sea designed for the testing of various types of weapons, means of combat, and combat materiel, as well as for the combat training of troops.
There are permanent and temporary proving grounds. According to function, proving grounds are classified as (1) research proving grounds; (2) testing grounds, which are used to test missiles, torpedoes, artillery, tanks, aviation, mines, antiaircraft weapons, and engineer means; (3) plant proving grounds, which are used to test for quality control of manufactured weapons and adjustment of fire and zeroing; and (4) training grounds, which are used for field and practice firing, bombing and torpedo firing, as well as for various troop exercises.
Troops and educational institutions also use various simulation and miniature ranges. Depending on the type, proving grounds may have observation posts, targets, dugouts, covered positions, communication and transportation means, and control and measurement devices.