Melissa Dalton

Melissa Dalton
Official portrait, 2024
28th United States Under Secretary of the Air Force
In office
May 29, 2024  January 20, 2025
PresidentJoe Biden
Preceded byKristyn E. Jones (acting)
Succeeded byJennifer L. Miller (acting)
Principal Deputy Under Secretary of Defense for Policy
Acting
December 21, 2023  May 29, 2024
PresidentJoe Biden
Preceded bySasha Baker
Succeeded byCara L. Abercrombie (acting)
Assistant Secretary of Defense for Homeland Defense and Hemispheric Affairs
In office
March 4, 2022  May 29, 2024
PresidentJoe Biden
Preceded byKenneth Rapuano
Succeeded byRebecca Zimmerman (acting)
Personal details
EducationUniversity of Virginia (BA)
Johns Hopkins University (MA)

Melissa Griffin Dalton is an American defense official who served as the under secretary of the Air Force from 2024 to 2025. She previously served as the assistant secretary of defense for homeland defense and hemispheric affairs in the Biden administration.