Ashton Baldwin Carter was an American government official and academic who served as the 25th United States secretary of defense from February 2015 to January 2017. He later served as director of the Belfer Center for Science & International Affairs at Harvard Kennedy School.
The United States under secretary of defense for policy (USDP) is a high level civilian official in the United States Department of Defense. The under secretary of defense for policy is the principal staff assistant and adviser to both the secretary of defense and the deputy secretary of defense for all matters concerning the formation of national security and defense policy.
The Assistant Secretary of Defense for Networks & Information Integration (ASD(NII)) was an appointed position that provided management and oversight of all DoD information technology, including national security systems. The ASD(NII) also served as the chief information officer (CIO) of the United States Department of Defense (DoD), a position distinct from the ASD and governed by the Clinger-Cohen Act.
The Under Secretary of Defense for Acquisition and Sustainment, or USD(A&S), is the Principal Staff Assistant (PSA) and advisor to the Secretary of Defense for all matters relating to acquisition and sustainment in the Department of Defense. This includes the DoD Acquisition System; system design and development; production; logistics and distribution; installation maintenance, management, and resilience; military construction; procurement of goods and services; material readiness; maintenance; environment and energy resilience ; utilities; business management modernization; International Armaments Cooperation, Cooperative Acquisition and International Agreements, Promoting exportability of military components to allies and partners; nuclear, chemical and biological defense programs; and nuclear command, control, and communications.
The Under Secretary of Defense for Research and Engineering, abbreviated USD (R&E), is a senior official of the United States Department of Defense. The USD (R&E) is charged with the development and oversight of technology strategy for the DoD. The post has at various times had the titles Assistant Secretary of Defense for Research and Engineering, or Director of Defense Research and Engineering (DDR&E). The latter title has itself historically varied between the rank of under secretary and that of assistant secretary.
The Assistant Secretary of Defense for Nuclear, Chemical & Biological Defense Programs, or ASD(NCB), is the principal adviser to the Secretary of Defense, Deputy Secretary of Defense and the Under Secretary of Defense for Acquisition and Sustainment on policy and plans for nuclear, chemical, and biological defense programs.
In the United States, the Assistant Secretary of Defense for International Security Affairs or ASD (ISA) is the principal advisor to the Under Secretary of Defense for Policy (USD (P)) and the United States Secretary of Defense on international security strategy and policy on issues of Department of Defense (DoD) interest related to the governments and defense establishments of the nations and international organizations of Europe (including the North Atlantic Treaty Organization), the Middle East, Africa, and the Western Hemisphere. The ASD (ISA) also oversees security cooperation programs and foreign military sales programs in these regions. Despite the broad title of the office, the ASD (ISA) does not develop policy related to Asia, the Pacific region, Latin America, or South America.
The Assistant Secretary of Defense for Global Strategic Affairs, or ASD(GSA), is a position in the Office of the Secretary of Defense that develops policy for the Secretary on countering weapons of mass destruction, nuclear forces and missile defense, cyber security and space issues. ASD(GSA) is currently tasked with three major congressionally mandated reviews: the Nuclear Posture Review, the Ballistic Missile Defense Review, and the Space Posture Review. In addition, GSA is the Defense Department's lead in developing the DoD's cybersecurity strategy, and for crafting the policy for the standup of the new Cyber Command. ASD(GSA) answers to the Under Secretary of Defense for Policy. Although ASD(GSA) is a recently configured office, its functional responsibilities can be traced back in part to a position eliminated in early 2008, the 'Assistant Secretary of Defense for International Security Policy'
The Assistant Secretary of Defense for Indo-Pacific Security Affairs, or ASD (IPSA), is the principal advisor to the Under Secretary of Defense for Policy (USD(P)) and the Secretary of Defense on international security strategy and policy on issues of DoD interest that relate to the governments and defense establishments of the nations and international organizations within the Indo-Pacific region. It primarily includes the entire region from India to Japan, and the region where ASEAN is located. The position was originally titled Assistant Secretary of Defense for Asian and Pacific Security Affairs but was renamed by the Trump Administration alongside the renaming of the United States Indo-Pacific Command.
The General Counsel of the Department of Defense is the chief legal officer of the Department of Defense (DoD), advising both the Secretary and Deputy Secretary on all legal matters and services, and providing legal advice to Office of the Secretary of Defense organizations and, as appropriate, other DOD components.
Mira Radielovic Ricardel, is an American businesswoman and former federal political appointee.
Michael John Kotsakas Kratsios is an American business executive and government official. He served as the fourth Chief Technology Officer of the United States at the White House Office of Science and Technology Policy. In this role, Kratsios served as President Donald Trump's top technology advisor. From July 10, 2020 to January 20, 2021, Kratsios was also the Acting Under Secretary of Defense for Research and Engineering.
Burke Edwin Wilson is a retired United States Air Force two-star general who served as Commander, 24th Air Force at Joint Base San Antonio-Lackland, Texas from 2014 to 2016.
The National Defense Strategy (NDS) is produced by the United States Office of the Secretary of Defense (OSD) and is signed by the United States Secretary of Defense as the United States Department of Defense's (DoD) capstone strategic guidance. The NDS translates and refines the National Security Strategy (NSS) (produced by the U.S. President's staff and signed by the President) into broad military guidance for military planning, military strategy, force posturing, force constructs, force modernization, etc. It is expected to be produced every four years and to be generally publicly available.
The Honorable Eric Brien Rosenbach is an American public servant and Harvard professor who served as Pentagon Chief of Staff from July 2015 to January 2017 and as Assistant Secretary of Defense for Homeland Defense and Global Security from September 2014 to September 2015. As Chief of Staff, Rosenbach assisted Secretary Ash Carter on the Department of Defense's major challenges of the time, which included increased Russian aggression, the Syrian Civil War, and North Korean missile tests.
Laura Katherine Cooper is an American civil servant. She is Deputy Assistant Secretary of Defense for Russian, Ukrainian, and Eurasian affairs in the office of the Under Secretary of Defense for Policy, and a career member of the Senior Executive Service. She previously served as principal director in the office of the Homeland Defense and Global Security Affairs.
The Assistant Secretary of the Air Force for Space Acquisition and Integration (SAF/SQ) is a civilian position in the United States Department of the Air Force that is appointed by the president of the United States and confirmed by the United States Senate. This position is established under Title 10 US Code Section 9016. The assistant secretary reports to the Secretary of the Air Force.
John F. Plumb is an American aerospace engineer, politician, and United States Navy Reserve captain who is the assistant secretary of defense for space policy. He was previously the chief of government relations at The Aerospace Corporation. In 2016, he unsuccessfully ran as the Democratic Party candidate for the 23rd congressional district in New York.
Radha Iyengar Plumb is an American government official currently serving as Deputy Under Secretary of Defense for Acquisition and Sustainment. She was confirmed for the position by the U.S. Senate on April 18, 2023 and assumed office later that month.
