Command Master Chief Jonathan D. Lonsdale

U.S. 2nd Fleet Command Master Chief

02 June 2026

Master Chief Lonsdale, a native of San Diego, CA, joined the Navy on October 2, 1996. He graduated from Electronics Technician “A” School, Great Lakes, in February of 1998, and served as an Electronics Technician (ET) from 1998-2012. 

As an ET, he served in USS SPRUANCE (DD 963), Carrier Tactical Support Center Ashore, USS SIMPSON (FFG 56), and Afloat Training Group Mayport.

He was selected for the Command Master Chief Program in February of 2012.

His previous Command Senior Enlisted Leader tours included USS SAMUEL B ROBERTS (FFG 58), USS CARNEY (DDG 64), Naval Surface Squadron FOURTEEN, Joint Base Charleston, Navy Region Southeast, Joint Task Force-Guantanamo and Naval Surface Forces Atlantic Force Master Chief.

Lonsdale is a graduate of the U.S. Navy Senior Enlisted Academy, CMC/COB Course, the National Defense University Keystone Joint Command Senior Enlisted Course, and the Naval Postgraduate School Navy Senior Leader Seminar. Additionally, he holds a Bachelor of Science Degree in business from Excelsior College, Albany, NY.

Lonsdale assumed the duties as Command Master Chief, U.S. SECOND Fleet on May 11, 2026.