LS of corvette at sea. PAN from corvette "Port Arthur" coming into or leaving port. LS of Fairmile at sea. LS of corvette at sea. LS of Fairmile at sea, Hawser guy wire in foreground. Rear shot of rating at machine guns on deck, PAN to MS of Fairmile at sea. MS PAN from four-inch naval gun to Fairmile. HAS of speaking tube, blinker light on bridge. MS and HAS of sailors bringing down signal flags. HAS of chart desk on bridge. CS of naval officer looking through binoculars. Rear MS of sailor looking through binoculars, corvette in background. MS of instrument on bridge, dinghy in water below. MSs in radio room, including shots of radio officer and rating attaching earphones. MS of sailors in radio room. MS of Commander Simmons in radio room with other men.