Shows the naval-air Battle of the Str. of Sicily, Aug. 11-13, 1942. Animation of route of Brit. convoy from Gibraltar to Malta, It. bombers and fighters take off from Sicilian airfields, It. motor torpedo boats put to sea, It. sub submerges, Ger. and Italian planes dive through intense flak to bomb Brit. convoy, Brit. destroyer is hit and sinks, motor torpedo boats and sub attack, shows list of claimed Brit. losses.