Vice Adm. John G. Hannink is a 1985 graduate of the U.S. Naval Academy. He completed pilot training at Naval Air Station Kingsville, Texas. While assigned to Sea Control Squadron (VS) 33, he deployed to the Western Pacific and Indian Ocean onboard USS Nimitz (CVN 68). He served as the squadron’s public affairs officer, quality assurance officer and nuclear safety officer.
Hannink then entered the Navy’s Law Education Program, and graduated from Baylor Law School in 1994. He later earned a Master of Laws in International Law from George Washington University Law School.
Hannink has completed several assignments within Naval Legal Service Command (NLSC) and the Office of the Judge Advocate General (OJAG). NLSC assignments include personal representation attorney and prosecutor at Naval Station San Diego, and commanding officer of Region Legal Service Office Southeast. OJAG assignments include general litigation attorney, and executive assistant to the deputy judge advocate general and the judge advocate general. He also served as assistant judge advocate general (Operations and Management) and chief of staff, Region Legal Service Offices.
Hannink’s staff and operational experience includes deputy staff judge advocate (SJA) for U.S. 5th Fleet, SJA for U.S. 2nd Fleet, special assistant to the Secretary of the Navy, deputy legal counsel to the Chairman of the Joint Chiefs of Staff, special counsel to the Chief of Naval Operations, and SJA for U.S. Pacific Command. He also served as a fellow on the Chief of Naval Operations Strategic Studies Group, Newport, Rhode Island.
Hannink served from 2015-2018 as the deputy judge advocate general of the Navy and commander, Naval Legal Service Command. As commander, Naval Legal Service Command, he led the judge advocates, enlisted legalmen and civilian employees of 14 commands worldwide, providing prosecution and defense services, legal assistance services to individuals and legal support to shore and afloat commands.
Hannink is the 44th judge advocate general of the Navy. Hannink is the principal military legal counsel to the Secretary of the Navy and Chief of Naval Operations. He also leads the 2,300 attorneys, enlisted legalmen and civilian employees of the worldwide Navy JAG Corps community.
Hannink is a member of the state bar of Texas. His military awards include the Defense Superior Service Medal, the Legion of Merit and the Meritorious Service Medal.