A native of Cambridge, MN, Master Chief Doble entered the U.S. Navy in February 1998. He graduated from recruit Training Command, Great Lakes in May 1998 and then became a Cryptologic Technician Collection “CTR” and attended C school for Direct Support Operator after studying at Naval Training Center (NTC) Corry Station in Pensacola, FL.
After four years of Active duty service, he affiliated with the Navy Reserve Security Group Minneapolis in February 2002. In March 2006, he was recalled to Active Duty in response to the Global War on Terrorism. Master Chief Doble was selected for Chief in 2009 and then Senior Chief in 2011. He was again recalled to Active Duty in 2012 in support of Operation Enduring Freedom.
After returning from mobilization he was selected to Master Chief Petty Officer in 2014. In March 2022. Master Chief Doble accepted long term orders to NAVIFORES to be the enlisted team lead for the Operationalize CNIFR OPT.
Master Chief Doble’s previous duty assignment include: SIGINT Analyst, USS Shiloh (CG-67) San Diego, CA; SIGINT LPO, NSGA Minneapolis, MN; SIGINT Operator, Joint Special Operation Command, Fort Bragg, NC; SEL NR NIOC Texas-Minneapolis, MN; SIGINT Intelligence Marine Battalion Africa J2 NCOIC, Djibouti; N9 CTR Rating Advisor, Naval Information Force Reserve Fort Worth, TX; Regional SEL Naval Information Force Reserve Southeast, Jacksonville, FL; SEL NR DIA J2 Pentagon, Washington, DC.
Master Chief Doble’s decorations include the Meritorious Service medal, the Joint Service Commendation medals (two awards), the Navy and Marine Corps Commendation Medals (two awards), the Navy and Marine Corps Achievement Medals (two awards), the joint Meritorious Unit Awards, the Battle E commendation (four awards), and various campaign and service awards. In his civilian career, he has worked in Human Resources and Industrial Safety.
Last Updated: 9 January 2026
Rear Adm. Richard S. Lofgren serves as the Acting Chief of Navy Reserve and Acting Commander, Navy Reserve Force. In this role, he provides strategic leadership and oversight for Navy Reserve personnel and operations worldwide, supporting the readiness and integration of Reserve forces across the fleet. A Surface Warfare Officer, Rear Adm. Lofgren brings extensive operational and command experience across maritime expeditionary, coastal riverine, and surface warfare missions, including service in senior leadership roles supporting U.S. naval operations in multiple geographic combatant commands. His career reflects a sustained commitment to operational excellence, leadership development, and the effective employment of Navy Reserve forces in support of national security objectives.
Rear Adm. Luke Frost is a Surface Warfare Officer with extensive operational, command, and strategic leadership experience across the fleet. He has served in senior command roles at sea and ashore, including command of major surface combatants and amphibious forces operating throughout the Central Command and Indo-Pacific areas of responsibility. As a Flag Officer, Rear Adm. Frost served as Director, Reserve Warfare (OPNAV N0959) on the staff of the Chief of Naval Operations, where he provided oversight and strategic guidance for Reserve force integration and readiness. His career reflects a deep commitment to warfighting excellence, joint operations, and the effective employment of naval forces in support of U.S. national security objectives.
Rear Admiral John Saccomando is a Naval Aviator with extensive operational, command, and strategic leadership experience across both active and reserve components. He has served in multiple senior command and flag assignments supporting naval aviation, expeditionary operations, and installation readiness, including leadership roles within U.S. Fleet Forces and Naval Air Forces Atlantic. A combat-experienced aviator, Rear Adm. Saccomando brings deep expertise in joint operations, force integration, and operational readiness, reflecting a sustained commitment to advancing naval capabilities and supporting U.S. national security objectives worldwide.
Rear Adm. Greg Emery is a Navy Reserve flag officer with extensive leadership experience across naval oceanography, intelligence, and information warfare. A graduate of the U.S. Naval Academy, he has served in a wide range of operational, command, and staff assignments supporting global naval and joint operations, including senior leadership roles within Naval Meteorology and Oceanography Command and the Office of the Chief of Naval Operations. Rear Adm. Emery brings deep expertise in intelligence integration, operational support, and information warfare, reflecting a sustained commitment to advancing decision advantage and mission readiness across the fleet.
Force Master Chief Nicole C. Rios serves as the Senior Enlisted Advisor to the Chief of Navy Reserve, advising on the readiness, welfare, and professional development of approximately 59,000 Reserve Component Sailors supporting Navy, Marine Corps, and joint operations worldwide. A seasoned Command Master Chief, she brings extensive experience across aviation, expeditionary, and information warfare communities, with senior enlisted leadership assignments at the unit, regional, and force levels. Her career reflects a sustained commitment to Sailor advocacy, operational readiness, and the effective integration of Navy Reserve forces in support of national defense objectives.
Command Master Chief Lyons brings extensive operational and shore-based leadership experience across aviation, logistics, manpower, and readiness organizations within the Navy Reserve enterprise. Selected as a Command Master Chief in 2016, he has served in senior enlisted leadership roles at Navy Operational Support Center Pearl Harbor, Navy Personnel Command, Maritime Support Wing, Fleet Readiness Center Mid-West, and currently serves as the Command Master Chief for Commander, Navy Reserve Forces Command. An Aviation Warfare Specialist, he is recognized for sustained excellence in leadership and readiness, earning multiple personal, joint, and unit awards throughout his career.
Command Master Chief Louvier enlisted in the U.S. Navy in 1997 and brings extensive aviation maintenance and readiness leadership experience across multiple Fleet Logistics, Strike Fighter, Helicopter, and Reserve aviation commands. Selected as a Command Master Chief in 2015, he has served in senior enlisted leadership roles at VR-56, Commander, Tactical Support Wing, Fleet Readiness Center Reserve Mid-West, and currently serves as the Command Master Chief for Commander, Naval Air Force Reserve. An Enlisted Aviation Warfare Specialist, he is a graduate of the Senior Enlisted Academy and multiple executive leadership programs and has earned numerous personal and unit awards for sustained excellence in leadership and mission readiness.
Master Chief Jerry E. Dotson was born in Garden Grove, California, and raised in Sacramento. He enlisted in the U.S. Navy on July 29, 2002, and completed recruit training and Electrician’s Mate “A” School in Great Lakes, Illinois. His career spans operational, reserve, aviation, and senior enlisted leadership assignments, and he currently serves as the Command Master Chief for Commander, Naval Information Force Reserve.