withdrawal(redirected from substance withdrawal)
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troop actions undertaken in order to lead units away from enemy strikes and to occupy favorable lines for defense, to conduct a counterattack, to shorten the front, or to gain time.
A withdrawal may be accompanied by a disengagement or be carried out deliberately without contact with the enemy. A withdrawal accompanied by a disengagement is carried out under the cover of specially assigned subunits, which, by actively engaging the enemy, ensure the secrecy and successful execution of the withdrawal. A withdrawal of the main forces is covered by rear guards and rear and flank march security detachments, as well as by laying ambushes, setting up obstacles, and carrying out demolition work. A withdrawal may be executed only by order of a senior commander.