U-123
19 Aug 1940 BF17
Temporarily halted tanker sinking research to attack convoy.
2 whale factory, 1 large freighter sunk (36,413 BRT)
total for patrol to date 65,484 BRT.
15 torpedoes left.
WX--rough seas, dark night.
Did wiggle-waggle maneuver after torpedo launch. Were not bothered by escorts.
