Khanh Nguyen was enlisted in the Marine Corps from 2012 to 2018. During his time in service, Khanh served as Air Support Operations Operator in Okinawa, Japan. After his tour in Okinawa, he served on Marine Embassy Duty in Brazzaville, the Republic of Congo, Guangzhou, China and San Jose, Costa Rica. Khanh separated from the Marines as a Staff Sergeant after 6 years.