Assistant Secretary of the Army (Installations, Energy and Environment) (abbreviated ASA (IE&E)) is a civilian office in the United States Department of the Army. The Assistant Secretary of the Army (Installations, Energy and Environment) the primary advisor to the United States Secretary of the Army and Chief of Staff of the United States Army on all United States Army matters related to Installation policy, oversight and coordination of energy security and management. The ASA (IE&E) is also responsible for policy and oversight of sustainability and environmental initiatives; resource management including design, military construction, operations and maintenance; Base Realignment and Closure; privatization of Army family housing, lodging, real estate, and utilities; and the Army's install