Established in 1954 in the naval base of Varignano, La Spezia,  the GOS comprises of  various specialists engaged in underwater activities. In peacetime, COMSUBIN is headed by an admiral and reports directly to the Italian Navy Chief of Staff.

The institutional duties performed by the GOS include:

Rescue of personnel from disabled submarines  to a depth of 300 m;

Mine clearance operations;

Port facilities defense.