In January, 1959, the Naval Security Group Detachment (NSGD), Groton was established. Ten months later, in October, the Naval Security Group designated its first Special Assistant for Naval Security Group matters and assigned him additional duty as Officer in Charge, Naval Security Group Detachment, Commander Submarine Force, U.S. Atlantic Fleet.

One year later, the Chief of Naval Operations designated that position as Officer in Charge, Naval Detachment and Director of Intelligence Special Security Officer for Deputy Commander Submarine Force, U.S. Atlantic Fleet.

In October 1972, the Detachment was designated Naval Security Group Detachment Groton under the command of Commander, Naval Security Group Command. The Detachment was commissioned a Naval Security Group Activity (NSGA) on May 1, 1980. The official recommissioning date recorded in NAVSECGRU records was October, 1, 1980. NSGA Groton was re-established as NSG Detachment Groton in July, 2005.

On September 30, 2005, NSG Det Groton was administratively closed and was re-established on October 1, 2005 as the Navy Information Operations Detachment (NIOD) Groton, CT.  In 2017, NIOD  Groton was resubordinated under NIOC Maryland/CTF 1060 as CTG 1060.3, and in 2018 NIOD Groton was again resubordinated under NIOC Georgia/CTF 1050 as CTG 1050.3.

NIOD Groton performs Fleet Electronic Support through equipment installation, cyber certification, and deployment of highly trained Information Warfare personnel in Direct Support of U.S. Submarine operations.

NIOD Groton reports directly to NAVIOCOM Georgia and aligns under U.S. Fleet Cyber Command / U.S. TENTH Fleet.

The current Officer in Charge is LCDR Andrew J. Adams, USN.  His biography follows.

LCDR Andrew J. Adams, USN
Officer in Charge
Navy Information Operations Detachment, Groton, CT

adamsOriginally from Dublin, Ohio, Lieutenant Commander Andrew Adams graduated from the U.S. Naval Academy in 2006 with a B.S. in Information Technology and a second discipline in National Security Affairs. He also holds a Master’s degree in Cyber Systems and Operations from the Naval Post-Graduate School and is an ISC2 Certified Information Systems Security Professional (CISSP).

He began his career as a Navy Cryptologic Warfare Officer at Navy Information Operations Command Hawaii, where he led intelligence support teams aboard Los Angeles, Seawolf, and Ohio-class submarines in U.S. INDOPACOM. During this tour, he also served as a Senior Watch Officer on the National Security Agency/Central Security Service Hawaii watch floor.

Next, he served as the Signals Warfare Officer aboard the Arleigh Burke-class Destroyer, USS Forrest Sherman, completing Exercise Joint Warrior and a U.S. Sixth Fleet deployment supporting NATO operations.Next, he served as the Signals Warfare Officer aboard the Arleigh Burke-class Destroyer, USS Forrest Sherman, completing Exercise Joint Warrior and a U.S. Sixth Fleet deployment supporting NATO operations.

He also completed two tours at Fort Meade, Maryland as a U.S. Fleet Cyber Command/U.S. Tenth Fleet planner and a Cyber National Mission Force Task Force Deputy Commander, where he led 500 joint service members in full spectrum cyberspace operations and intelligence analysis.

In June 2019, he reported as the Officer in Charge of Navy Information Operations Detachment, Groton. His Sailors perform fleet electronic support through equipment installation, cyber certification, and deployment of highly trained Information Warfare personnel in direct support of U.S. Navy operations.

He is a qualified Information Warfare Officer and Surface Warfare Officer. His personal decorations include the Joint Service Commendation Medal, the Navy and Marine Corps Commendation Medal (two awards), the Joint Service Achievement Medal, the Navy and Marine Corps Achievement Medal, the Navy Expeditionary Medal, and the Navy Sea Service Deployment Ribbon.