Assistant Secretary of Defense for Energy, Installations, and Environment

E487896

United States Department of Defense position civilian office

The Assistant Secretary of Defense for Energy, Installations, and Environment is a senior U.S. Department of Defense official responsible for overseeing military energy policy, environmental compliance, and the management of defense installations and infrastructure.

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All labels observed (3)

Label	Occurrences
Assistant Secretary of Defense for Energy, Installations, and Environment canonical	1
Deputy Under Secretary of Defense for Installations and Environment	1
Office of the Assistant Secretary of Defense for Energy, Installations, and Environment	1

How this entity was disambiguated

This entity first appeared as the object of triple T5033146 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Assistant Secretary of Defense for Energy, Installations, and Environment
Context triple: [Office of the Assistant Secretaries of Defense, hasPosition, Assistant Secretary of Defense for Energy, Installations, and Environment]

A. Assistant Secretary of Defense for Sustainment
The Assistant Secretary of Defense for Sustainment is a senior U.S. Department of Defense official responsible for policies and oversight related to logistics, materiel readiness, maintenance, and supply chain support for military forces.
B. Assistant Secretary of Defense for Industrial Base Policy
The Assistant Secretary of Defense for Industrial Base Policy is a senior U.S. Department of Defense official responsible for shaping and overseeing policies that ensure a resilient, secure, and innovative defense industrial base.
C. Assistant Secretary of Defense for Acquisition
The Assistant Secretary of Defense for Acquisition is a senior U.S. Department of Defense official responsible for overseeing and guiding defense acquisition programs, policies, and procurement processes.
D. Assistant Secretary of Defense for Strategy, Plans, and Capabilities
The Assistant Secretary of Defense for Strategy, Plans, and Capabilities is a senior U.S. Department of Defense official responsible for developing long-term defense strategy, force planning, and capability priorities to guide military posture and resources.
E. Under Secretary of Defense for Acquisition and Sustainment
The Under Secretary of Defense for Acquisition and Sustainment is a senior U.S. Department of Defense official responsible for overseeing military procurement, technology acquisition, logistics, and lifecycle sustainment of defense systems.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Assistant Secretary of Defense for Energy, Installations, and Environment
Target entity description: The Assistant Secretary of Defense for Energy, Installations, and Environment is a senior U.S. Department of Defense official responsible for overseeing military energy policy, environmental compliance, and the management of defense installations and infrastructure.

A. Assistant Secretary of Defense for Sustainment
The Assistant Secretary of Defense for Sustainment is a senior U.S. Department of Defense official responsible for policies and oversight related to logistics, materiel readiness, maintenance, and supply chain support for military forces.
B. Assistant Secretary of Defense for Industrial Base Policy
The Assistant Secretary of Defense for Industrial Base Policy is a senior U.S. Department of Defense official responsible for shaping and overseeing policies that ensure a resilient, secure, and innovative defense industrial base.
C. Assistant Secretary of Defense for Acquisition
The Assistant Secretary of Defense for Acquisition is a senior U.S. Department of Defense official responsible for overseeing and guiding defense acquisition programs, policies, and procurement processes.
D. Assistant Secretary of Defense for Strategy, Plans, and Capabilities
The Assistant Secretary of Defense for Strategy, Plans, and Capabilities is a senior U.S. Department of Defense official responsible for developing long-term defense strategy, force planning, and capability priorities to guide military posture and resources.
E. Under Secretary of Defense for Acquisition and Sustainment
The Under Secretary of Defense for Acquisition and Sustainment is a senior U.S. Department of Defense official responsible for overseeing military procurement, technology acquisition, logistics, and lifecycle sustainment of defense systems.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	United States Department of Defense position ⓘ civilian office ⓘ
aimsTo	enhance resilience of defense installations to climate and other hazards ⓘ improve energy efficiency of Department of Defense operations ⓘ
appointedBy	President of the United States ⓘ
confirmedBy	United States Senate ⓘ
coordinatesWith	military departments on installation and energy issues ⓘ other federal agencies on environmental and energy policy ⓘ
country	United States of America ⓘ
hasRank	Assistant Secretary of Defense ⓘ
inception	2010s ⓘ
jurisdiction	United States Department of Defense ⓘ linked to: Department of Defense
locatedIn	Arlington, Virginia ⓘ
memberOf	senior leadership of the Department of Defense ⓘ
oversees	Office of the Assistant Secretary of Defense for Energy, Installations, and Environment ⓘ linked to: Assistant Secretary of Defense for Energy, Installations, and Environment climate adaptation and resilience planning for installations ⓘ energy performance of military installations ⓘ environmental impact of Department of Defense activities ⓘ installation master planning policy ⓘ sustainability initiatives at defense installations ⓘ
partOf	Office of the Secretary of Defense ⓘ
predecessor	Deputy Under Secretary of Defense for Installations and Environment ⓘ linked to: Assistant Secretary of Defense for Energy, Installations, and Environment
reportsTo	Under Secretary of Defense for Acquisition and Sustainment ⓘ
requires	advice and consent of the United States Senate ⓘ
responsibleFor	base closure and realignment policy recommendations ⓘ compliance with federal environmental statutes ⓘ energy resilience policy ⓘ environmental compliance within the Department of Defense ⓘ environmental conservation policy ⓘ environmental restoration policy ⓘ installation resilience policy ⓘ management of defense infrastructure ⓘ management of defense installations ⓘ military energy policy ⓘ policy on cultural resources management on defense lands ⓘ policy on encroachment management around installations ⓘ policy on natural resources management on defense lands ⓘ policy on privatization of military housing and utilities ⓘ policy on utilities and energy services for installations ⓘ real property management policy ⓘ
style	The Honorable ⓘ
supervises	Deputy Assistant Secretaries of Defense for energy-related portfolios ⓘ Deputy Assistant Secretaries of Defense for environment-related portfolios ⓘ Deputy Assistant Secretaries of Defense for installations-related portfolios ⓘ
website	https://www.acq.osd.mil/eie/ ⓘ
workLocation	The Pentagon ⓘ linked to: Pentagon

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Office of the Assistant Secretaries of Defense → hasPosition → Assistant Secretary of Defense for Energy, Installations, and Environment ⓘ

Assistant Secretary of Defense for Energy, Installations, and Environment → predecessor → Deputy Under Secretary of Defense for Installations and Environment ⓘ

linked to: Assistant Secretary of Defense for Energy, Installations, and Environment

Assistant Secretary of Defense for Energy, Installations, and Environment → oversees → Office of the Assistant Secretary of Defense for Energy, Installations, and Environment ⓘ