Key Facts
- Date
- 20–21 October 1940
- Italian destroyers lost
- 1 (Francesco Nullo)
- Merchant ships sunk
- 0
- Merchant ships damaged
- 1 (slightly)
- British ships damaged
- 1 (HMS Kimberley, disabled)
Strategic Narrative Overview
On the night of 20–21 October 1940 the Italian destroyers located and attacked Convoy BN 7, maneuvering in two separate groups. The dispersal hampered concentration against the British escorts and the attack produced only slight damage to one merchant ship. HMS Kimberley pursued and torpedoed the Italian destroyer Francesco Nullo, which was beached on Harmil Island, but Kimberley was then hit and disabled by Italian shore batteries and had to be towed to safety by HMS Leander.
01 / The Origins
By late 1940 Italian forces in East Africa sought to disrupt British supply lines through the Red Sea, which carried vital traffic between the Suez Canal and Aden. Convoy BN 7 was a northbound British merchant convoy escorted by Royal Navy warships. Italian naval command dispatched a flotilla of destroyers from Massawa to intercept and attack the convoy, splitting into two groups to maximise interception chances.
03 / The Outcome
The Italian sortie achieved no meaningful result; one destroyer was lost and the convoy reached its destination largely unharmed. British command at Aden criticised escort commanders, except Kimberley's captain, for insufficient aggression. Italy made further sorties on 3 December 1940 and in late January 1941, all fruitless or aborted, underscoring the ineffectiveness of Italian Red Sea surface operations against British convoys.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Side B
1 belligerent
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.