Close up of forward right side of a Savoia-Marchetti S.79 with both the dorsal machine guns. Note the gunner at rear machine gun (the front machine gun, often removed, was remote controlled by pilot on left seat). The photo outline many details of this famous Italian three engine bomber and torpedo bomber like the dynamo for feeding of batteries. Victor Sierra

Close up of an Italian bomber

Crewmembers mounting a 7,77 mm machine gun of lateral emplacement, for firing from fuselage, aboard of a bomber S.79 of 194th Squadriglia, 90th Gruppo, 30th Stormo Bombardamento Terrestre of Italian Regia Aeronautica. Sciacca Airport, Sicily, Summer 1940. Victor Sierra

Lateral machine gun

This lateral view of an aircraft of 252nd Squadriglia, 104th Gruppo, 46th Stormo Bombardamento (Bombardment Wing) highlight the nacelle under the fuselage of the S.79 in configuration Bomber housing the ventral gunner's and the bombardier's stations. This nacelle was removed, for housing the torpedo, on the S.79s converted in torpedo bomber. The aircraft of the photo, taken soon after the entry in the war of Italy, has both the upper machine guns. The 46th Stormo was transferred from Pisa, his first base, to Albania and, finally, transformed in torpedo bomber’s unit. Victor Sierra