Crane is called up at the start of the war, and is posted to a destroyer Lofty thinks is jinxed. They undergo on the job training. Lofty is injured when a nearby merchantman explodes. Back in base, Bill injures himself when he falls down the gangplank.; Len is posted and sees action escorting B17s over Europe. On a subsequent Rhubarb, Len's dad appears and stops him from shooting up a German staff car.; The RN destroys the German invasion fleet. However, a second air-drop takes Maleme airfield. Tommy and his company withdraw to new positions.