“The Commandant’s Own” Marks Transition of Leadership, Drum Major Relief and Appointment

WASHINGTON — “The Commandant’s Own” United States Marine Drum & Bugle Corps marked a transition in enlisted leadership as Master Gunnery Sgt. Joshua Dannemiller relinquished his duties as the unit’s 26th drum major to Master Gunnery Sgt. David Cox during a relief and appointment ceremony at Marine Barracks Washington, Oct. 16, 2026. Cox was promoted to his current rank and appointed the 27th drum major during the ceremony, which also marked Dannemiller’s retirement after more than 23 years of Marine Corps service.

Dannemiller began his career with the Drum & Bugle Corps in 2003 as a contrabass bugler. His technical expertise, professionalism and leadership led to his appointment as assistant drum major in 2016. In May 2022, he assumed the position of drum major, becoming the unit’s senior enlisted ceremonial leader. Throughout his tenure, Dannemiller was responsible not only for the precision audiences witnessed on the parade deck, but also for developing Marines and preserving the institutional knowledge passed between generations of the unit.

In recognition of his distinguished service and leadership, Dannemiller received the Legion of Merit. Throughout his career at Marine Barracks Washington, he led and supported hundreds of high-profile ceremonies, parades and military tattoos before local, national and international audiences. Beyond his ceremonial accomplishments, his mentorship and development of Marines helped sustain the standards and traditions that define the Drum & Bugle Corps and Marine Barracks Washington as the “Face of the Marine Corps.”

Reflecting on his tenure, Dannemiller said, “Twenty-three parade seasons gives you a lot of perspective on what changes and, more importantly, what shouldn’t. The Marines, the music, and the places we perform change, but our responsibility to represent the Commandant and the Marine Corps to the highest standard remains the same. When I was appointed Drum Major in 2022, I promised to do exactly that, and I know I kept that promise. Marine Barracks Washington will always hold a special place in my heart. I’ve been incredibly blessed to serve alongside some of the finest Marines and people in the world, and the greatest thing I can leave behind is Marines who understand that responsibility and are ready to carry it forward.”

The responsibilities Dannemiller passed to Cox are rooted in a tradition dating back to the Marine Corps’ founding, when drummers and fifers transmitted commands across battlefields. That tradition continues at Marine Barracks Washington, where the drum major of “The Commandant’s Own” leads the unit during ceremonies and performances while maintaining its professional standards, ceremonial precision, and military appearance. military appearance, ceremonial precision and professional standards.

During the relief and appointment ceremony, the passing of the drum major’s mace symbolized the transfer of leadership and responsibility for the Marines of “The Commandant’s Own,” including their training, discipline, ceremonial performance and professional development. More than a symbol of authority, the mace represents the institutional knowledge and traditions entrusted to each successive drum major.

Cox assumed the position of 27th drum major after 18 years of service with the Drum & Bugle Corps. He joined “The Commandant’s Own” as a baritone bugler and was appointed assistant drum major in 2021. As drum major, Cox assumes responsibility for the unit’s ceremonial leadership and associated administrative duties, overseeing the training, discipline and military bearing of Marines who routinely represent the Commandant and the Marine Corps before national and international audiences.

"I view the drum major as a steward of the ceremonial and professional excellence the Marine Corps has been known for during our 250-year history,” Cox said. “The expectation is to approach every day with an uncommon commitment to the Marines and the mission. It’s the honor of a lifetime to have the opportunity to work alongside and lead this group of professionals."

As Cox assumed his new responsibilities, Gunnery Sgt. Christopher Walker was appointed assistant drum major. Walker became the sixth assistant drum major of “The Commandant’s Own,” bringing 16 years of experience with the unit to the position.

“Our standards endure because Marines deliberately carry them forward,” Walker said. “For me, leadership means knowing your Marines, preparing them for every challenge, and giving them the confidence to uphold those standards. I’m honored to serve in this role and help ensure we continue to represent the Marine Corps with pride, professionalism, and esprit de corps.”

Assistant drum major candidates are evaluated on their technical proficiency, character, and their ability to lead Marines. The selection process emphasizes that ceremonial excellence depends not only on individual proficiency, but also on the ability to develop Marines, uphold established standards and preserve the unit’s traditions. Historically, the assistant drum major succeeds the outgoing drum major upon retirement, ensuring continuity of leadership and the deliberate transfer of institutional knowledge.

For more than two centuries, Marines at Marine Barracks Washington have represented the Marine Corps before the nation’s leaders and audiences around the world. Through ceremonies like the drum major Relief and Appointment, Marines at the “Oldest Post of the Corps” honor that legacy while preserving the knowledge, traditions and standards entrusted to each generation of Marines.

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