Thomas A. Lockhart is a member of the Senior Executive Service and the Director of the Capability and Resource Integration Directorate (J8), United States Space Command, Peterson Space Force Base, Colorado. He is responsible for establishing the command's requirements and advocating for the assigned missions of deterring aggression and conflict, protecting and defending U.S. interests in the space domain, delivering space combat power for joint and combined forces, and developing ready and lethal joint warfighters.

Prior to his current assignment, Mr. Lockhart was the Director of Engineering and Technical Management, Air Force Nuclear Weapons Center, Hill Air Force Base, Utah. Mr. Lockhart has also worked at the Air Force Research Laboratory as the Director for both its Plans and Programs Directorate and its Strategic Development Planning and Experimentation Directorate.

Mr. Lockhart has had two tours in Iraq and Afghanistan. In his last tour as the NATO Resolute Support Essential Function for Sustainment, Kabul, Afghanistan, he exercised oversight of Afghanistan National Defense and Security Forces sustainment for 385,000 Ministry of Defense and Interior military and police forces yearly budgets of over $3.2 billion.

Mr. Lockhart began his career in 1987 working as a Journeyman Engineer in training and simulation at Hill AFB, Utah. He has served as an Engineer, Chief Engineer, Acquisition Program Manager, Group Director, combatant command Financial Manager, Deputy Program Executive Officer and Security Cooperation Director.