Colonel Sinclair is a research fellow at the Center for Emerging Threats and Opportunities of the Potomac Institute of Policy Studies. He served 30 years on active duty in the Marine Corps and retired in 2018.
Colonel Sinclair is a research fellow at the Center for Emerging Threats and Opportunities of the Potomac Institute of Policy Studies. He served 30 years on active duty in the Marine Corps and retired in 2018.
