History

In October 1959, the Naval Security Group designated its first special assistant for the Naval Security Group. They then assigned him as the officer-in-charge, Naval Security Group Detachment for Commander, Submarine Force, U.S. Atlantic Fleet.

One year later, the Chief of Naval Operations then designated the officer-in-charge, Naval Detachment and director of intelligence special security officer for deputy commander Submarine Force, U.S. Atlantic Fleet.

In the year 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 on May 1, 1980.

In 2005, the detachment was designated a Navy Information Operations Detachment (NIOD) under the command of Navy Information Operations Command (NIOC), Georgia.

In October of 2008, the detachment was realigned again under the command of NIOC Norfolk. This realignment consolidated all East Coast Fleet Electronic Support (FES) installations and maintenance under a single command.