ATP 3-06 governs urban operations across offensive, defensive, stability, and large-scale combat operations.
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It covers urban terrain, populations, infrastructure, operational foundations, risks, warfighting functions, and tactical considerations. It presents offensive, defensive, stability, and large-scale combat operations, including tactical enabling tasks and urban operations training.
Urban combat operations compress the time available to think and act at the tactical level. (paragraph 3-88)
Commanders consider the seven general characteristics of a successful defense to regain the initiative from attacking enemy forces: preparation, security, disruption, mass and concentration, maneuver, operations in depth, and flexibility. (paragraph 5-5)
Infiltration secures key objectives in the urban area while avoiding unnecessary combat with enemy defensive forces in conditions favorable to them (see figure 4-11 on page 4-18). (paragraph 4-39)
Quickly returning an urban area to capable civil control may cause them to view U.S. forces positively and lend cooperation. (paragraph 4-78)
A retrograde is a defensive task that involves organized movement away from the enemy (ADP 3-90) or any movement or maneuver of a command to the rear, or away from the enemy (USMC Dictionary). (paragraph 5-46)