In July 1987 he was deployed on MAGTF 1–88 in support of Operation Ernest Will in the Persian Gulf on the USS Okinawa (LPH-3).

Departing MAG-39 in September 1989, Walters attended Multi-Engine Transition Training at Naval Air Station Corpus Christi, Texas.

In April 1994, after his tour in Flight Test, Walters was assigned duties in the Fleet Introduction Team for the AH-1W Night Targeting System at MAG-39 at Marine Corps Air Station Camp Pendleton, California.

Upon completion of Fleet Introduction of the NTS system, Walters assumed the duties as Operation Officer for HMLA-369, deploying to Okinawa in November 1995.

From January 2007 to April 2008, he served as head of the Plans, Policy and Budget Branch (APP).

After his promotion to brigadier general in August 2008, he was assigned to the Joint Staff as Deputy Director J-8, DDRA.

Elevated to lieutenant general in June 2013, he assumed the position of Assistant Commandant for Programs and Resources.

[3] On April 12, 2018, The Citadel announced that Walters was selected from a pool of four finalists to lead the college after the retirement of Lieutenant General John Rosa on June 30, 2018.