Col. Kalliroi Landry is the Chief of the Support Cell at the Space Development Agency. In this role, she oversees planning, acquisition and fielding of launch, ground, and user-terminal systems that underpin the National Defense Space Architecture. Founded in March 2019, SDA is responsible for developing and fielding the Department's future threat-driven space architecture and accelerating the delivery of military space capabilities necessary to ensure U.S. technological and military advantage in space for national defense.

Col. Landry was commissioned through the ROTC program at Rutgers University in 1997 where she received a Bachelor of Science degree in Physics and Astronomy. She also earned a Master of Science in Space Operations Management from Webster University and a Master of Science in Research and Development Management from the Air Force Institute of Technology. Col. Landry’s career has included various space acquisition assignments to include developmental planning, research and development, satellite operations, range management, acquisition policy and program management. She has served at the squadron, numbered air force, and major command levels, as well as in joint missions and in the intelligence community.