Five Vincents attacking the same airfield that night.[2] On 5 August 1940, Italy invaded British Somaliland, and 8 Squadron's Blenheims flew missions against advancing Italian troop columns. The Italians heavily outnumbered the British and Commonwealth defences, and the port of Berbera, immediately south of Aden across the Gulf of Aden, was occupied by the Italians on 19 August.[3][4]