The flotilla operated mostly various marks of the Type VII U-boat and it concentrated its efforts mainly in the Mediterranean Sea, against convoys. In August 1943, the flotilla moved to Toulon, but did also have U-boats in Marseille and Salamis.
The fleet primarily utilized various models of the Type VII U-boat and focused its efforts mainly in the Mediterranean Sea, targeting maritime traffic. In August 1943, the fleet relocated to Toulon, but also had U-boats stationed in other key locations.