American freighter Sylvan Arrow (of the Standard Oil and Transportation Company), damaged by German submarine U-155 on 20 May 1942, sank in the Caribbean Sea while under tow. On the same day, U-103 sank US tanker New Jersey 90 miles southwest of Grand Cayman island (41 survived) in the Caribbean Sea, U-502 sank US ship Alcoa Pilgrim (31 were killed, 9 survived) in the Caribbean Sea, and U-106 sank British ship Mentor (4 were killed, 82 survived) in the Gulf of Mexico.
