A backlighted formation of Italian bombers Savoia Marchettis S.79s in flight over the Mediterranean Sea. Airplanes’unit unknown . Victor Sierra

Backlight

An Italian maritime recce flying boat CRDA Cant-Z-501 moored in an unspecified North African harbor. The Cant-Z.501s was employed by Squadriglie da Ricognizione Marittima (Maritime Reconnaissance Squadrons) embedded in Aviazione per la Regia Marina (Aeronautics for Royal Navy) with mixed crews of Regia Aeronautica (Italian Royal Air Force) and Regia Marina (Italian Royal Navy). Date of the photo (Deutsches Bundesarchiv Bild 101I-424-0282-08) unspecified. Victor Sierra

Italian flying-boat in a North African harbor

Some Re 2000s were used as catapultable fighters, over battleships or cargos.
In 1939 the RAF oredered to Reggiane 300 Re 2000s! 
Order impossible to accomplish due to clear political obstacles. DVX