Austin Dahmer
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PresidentDonald Trump
Preceded byAmanda J. Dory (Acting)
PresidentDonald Trump
Preceded byLaurie Buckhout (Acting)
Austin J. Dahmer | |
|---|---|
 Official portrait, 2025 | |
| Acting Deputy Under Secretary of Defense for Policy | |
| Assumed office March 17, 2025 | |
| President | Donald Trump |
| Preceded by | Amanda J. Dory (Acting) |
| Acting Assistant Secretary of Defense for Cyber Policy | |
| In office September 5, 2025 – September 24, 2025 | |
| President | Donald Trump |
| Preceded by | Laurie Buckhout (Acting) |
| Succeeded by | Katherine Sutton |
| Acting Assistant Secretary of Defense for Strategy, Plans, and Capabilities | |
| In office January 22, 2025 – March 17, 2025 | |
| President | Donald Trump |
| Preceded by | Madeline Mortelmans (Acting) |
| Succeeded by | Madeline Mortelmans (Acting) |
| Personal details | |
| Education | United States Naval Academy |
| Military service | |
| Allegiance | United States |
| Branch/service | United States Marine Corps[1] |
| Years of service | 2014-2019 |
| Rank | Captain |
Austin Dahmer is an American official of the United States Department of Defense. As of 2025, he is performing the duties of Deputy Under Secretary of Defense for Policy[2] and has addressed the Senate Armed Services Committee, which is considering his confirmation as Assistant Secretary of Defense for Strategy, Plans, and Capabilities on 4 November 2025.[3]
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